Mark went on a hike last weekend, which lasted for 12 miles (19.3 km) in total (so 6 miles one-way) and featured a 2500 ft (762m) elevation gain. The Adventure Nerds Backpacking and Hiking Trail Difficulty Ratings use mileage, elevation change, slope (average grade and max grade), navigational requirements, and the terrain to calculate the difficulty of a trail. Deduct about half an hour for a 4 mile 1 way hike coming down. You can use a hiking time calculator to estimate how long it will take you to hike a certain elevation gain. Hiking speed is different for every person. Our times have been pretty accurate to hiking in the backcountry, as well. And it's definitely a good thing. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Book time does not take into account difficulty of terrain or the technical nature of a trail, so hikers need to bring this into consideration as well. SCENARIO C (Slow Trudge): Full pack, elevation gain greater than 1,500 feet/mi = APPROX 1 MPH. The METS values are provided by "The Compendium of Physical Activities 2011". When using Naismith's rule to calculate the length of time your hike will take . Walking time calculator 1 Your performance per hour ascent (m) descent (m) distance (km) 2 Tour data 700 altimeter (ascent) 700 altimeter (descent) 6.0 km (distance) Net walking time approx. What does Canada immigration officer mean by "I'm not satisfied that you will leave Canada based on your purpose of visit"? If you need to cover 15 miles before lunch, you should limit how long you linger while stopping for a snack or taking in a view. Length: enter the length of the trail you want to do in miles or kilometers. If you use it regularly, you'll begin to get a good handle on your personal pace, and how to make adjustments for fitness, wind, underfoot conditions, steepness and so on. That is not a good time to find an alternate trail. Use the formula, and then take a few walks. Based on 'Naismith's rule', the basic walk time for a route can be estimated using the typical 5km/hour (3mph) walk speed over flat terrain and an extra half hour for every 300m (1,000ft) of ascent (average fitness). 872. The program will estimate the overall time needed for your trek, including a 20% buffer for brief breaks, using the data you gave and the calculating rules outlined in the last response. Try it out now! Being able to calculate the time it will take you complete a hike is an important backcountry skill and one that takes practice to get right in complex terrain. If it's an 8 mile hike to camp, I assume it will take 8 hours especially if you have to make frequent stops for tired hikers, or those that wish to sight see. Your mileage will vary. Distance spent breaking trail counts double. Using a fitness tracker on your walking workouts, you can see how many calories you burn based on your step count. So it is better to be calculate on the worst case scenario. For example, a 160-pound person who is 5' 4" tall would burn about 181 calories walking 5000 steps. The cookie is used to store the user consent for the cookies in the category "Performance". If you purchase a product from one of our links below, we may earn a percentage from one of our affiliate partners. The speed at which you hike will depend on your fitness level, the terrain, and the weather conditions. When you are climbing with a full pack and traversing a steep incline, you can plan on your hiking speed to slow to one mile per hour. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". To solve for distance use the formula for distance d = st, or distance equals speed times time. An estimate is that 627 calories per hour are burned by a 180 pound person climbing hills with a 15lb pack, and 417 calories per hour are burned by a 120 pound person doing the same task. This calculator gives you a simple way to estimate the calories you burned on your hike based on average metabolic rates. Distance = Speed Time Speed = Distance / Time Time = Distance / Speed If you are in good physical condition and have a lightweight pack, you can even make it four or five miles in an hour. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Make sure your batteries are fresh. Calculator Calories burned while hiking will depend on your weight, the distance you hike, the amount of weight in your backpack, and the terrain difficulty. Windy and Bergfex are great apps for the mountains of Europe. With the steps to miles calculator, you can find step formulas for all occasions: number of miles, number of miles in steps or the number of steps and miles in a certain length of running/walking time. We use book time to determine hike duration, and adjust it based on your input. I was taught 1 hour per thousand feet and from my experience it holds about true, as long as you are counting climbs only. Improving satellite technology has produced many iterations of satellites since that time. Being able to calculate hiking speed is critical to pre-trip planning but without any reasonable basis for expectations, it's hard to guess what's good and what's bad. The hiking calories burned calculator allows you to calculate the amount of calories burned while hiking for food planning and estimation. . Be ready to change your hike plans due to weather conditions. Author profile:Morgan Fielder is a passionate hiker and writer, physical therapist, and photographer. For a cross-country hike with: Length 4270 km; and Elevation gain 127 km; the calories burned are more than 200,000, corresponding to a weight loss of almost 30 kg. Off-trail travel (Bushwhacking)Rate = 4. It's not just the safety aspect, it's the morality as well; if you give people an estimated finish time and you complete an hour ahead of schedule they generally view it as an achievement and therefore a more positive experience overall! Source: If for example you run the first kilometre in 6 minutes you have a pace per kilometre of 6 min/km, this corresponds to a speed of 10km/h. Book Time estimates hiking time in the mountains based on 30 minutes for every mile, plus 30 minutes for every 1,000 feet of ascent, then rounded off to the nearest :05 minutes. If a hiker takes 1 zero day per week on average, that translates to 141 days of actual hiking. Adding on 10 minutes to the overall hike time for every 328 feet, that's roughly 100 minutes to tack on. Please enter a number greater than or equal to. So far, so good. All it really takes is a pen, paper, and some attention to detail while you hike. Most people ignore their hiking speed, but it is a critical factor when planning a trip. To the total time, add 1/2 hour for every 1000 foot elevation change due to slow climbing. Can dialogue be put in the same paragraph as action text? And if the incline increases to an 11-degree angle, then your speed will drop to around 1 mile per hour. Hikers often average between 1 and 3 miles per hour (1.61-4.83 kmph). Tap the "Measure Distance" option. What are possible reasons a sound may be continually clicking (low amplitude, no sudden changes in amplitude), Sci-fi episode where children were actually adults, Unexpected results of `texdef` with command defined in "book.cls". Various researchers have tried to include pace, slope, pack weight, terrain, descents, etc., into complicated and more accurate formulas. ALWAYS, leave your hike itinerary with someone at home. By clicking Accept All, you consent to the use of ALL the cookies. These calculations go out the door when you add rock scrambling, fallen trees, river crossings, and other obstacles into the equation. How much do you want to stop for breaks, snacks, or views. Thanks for your conversion help. Route may be dangerous or may be impassible. Though these calculations are highly dependent on the GPS accuracy of your phone, and some phones are better than others at tracking your location. Average dayhiking speed for reasonably fit people is 2.5 mph on moderate terrain. I lied, there is Naismith's formula as correctly cited in another answer. :), Elevation: Base of MTN to Summit. But, you need at least 3 quarts per day. Personal fitness level is another important factor that affects hiking time. First, if Mark were to leave his backpack before the trail start, he would burn roughly 924 calories on the way up and 533 on the way down. Im relying on Naismiths rule to help plan your hike. Step 1. But opting out of some of these cookies may affect your browsing experience. Caltopo has a robust and adjustable time estimator that integrates Munter calculations with your route plan. Another thing to point out in relation to this, if you have a speed / route in mind and you realise it's over-ambitious, don't be afraid to change your route so it's shorter. To hike 5 miles with 2,000 . The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Distance traveled above 7000 feet elevation counts double. You should carry at least 2000 calories of food. If there is doubt, then immediately decide to go back. Sharpen your knife. (Tenured faculty). Hi there! Its important to remember that a hiking time calculator is just an estimate, and there are many factors that can affect your hiking time, including your fitness level, the terrain, and the weather. Clean your water bottle. The outcome will be shown below the Calculate button in hours, rounded to two decimal places. Pack weight can also affect your hiking time, so carefully consider what you bring. Also, the higher you go the faster and more severe weather changes with big drops in temperature occurring quickly and higher winds in general. It also compares the TrailsNH estimate to Naismiths Rule and Book Time. This explains why we add in 30 minutes for every 1000 feet (304.8 meters) of elevation gain in your hike. day hiking: Follow these guidelines to utilize this "Hiking Time Calculator" tool: Enter the planned hiking route's length in kilometers, climb and descent in meters, and distance in the form on the page. The technical storage or the access, which takes place exclusively for statistical purposes. These cookies will be stored in your browser only with your consent. This was over well-maintained but rocky trails that called for careful footing, and neither of us were fully acclimated to the elevation. Strava will attempt to calculate this based on your activity's GPS locations . I am reviewing a very bad paper - do I have to be nice? Going back down(hill) the same trails, we kept up about a 1.5 mph pace. Cozy Together: The Top Camping Cots for Couples! amazing facts about camping, wildlife & wilderness. The calculator can also be used to estimate the time taken or distance traveled with a given pace and time or distance. I'd probably still use Naismith's rule - but at a base speed of about 4kph. Next, tap the white "Dropped Pin" box at the bottom of the screen. That's why so many people don't bring enough water on hikes. If you cycle at 12mph then they would burn 572 calories (12 miles). Naismiths Rule is Hiking Time = Horizontal Distance (miles)/3 + Ascent (feet) /2000So a 6-mile hike with 2,000 feet in elevation gain should take 3 hours (2hrs + 1 hr). Yup - as I Scot I've been using Naithsmith's Rule since I was a kid, and it's the best way to estimate times. a moderate trail, with some elevation changes, a strenuous hike, with significant elevation change or difficult terrain. This is one of the most commonly used estimates of hiking duration due to its simplicity. Are cheap Packable Backpacks reliable enough for a long day strenuous hike? This saves you from counting contour lines. Hiking Speed Calculator Don't forget to add time for . Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. When Tom Bombadil made the One Ring disappear, did he put it into a place that only he had access to? For example, if you supply time in minutes and distance in miles, you get pace calculated in minutes per mile. . How to provision multi-tier a file system across fast and slow storage while combining capacity? It does not store any personal data. There seems to be a bug in the calculator. Years and seasons pass, but hiking is still as popular as it's ever been. We created a new system that is objective and universal. Instead, the travel time is calculated using the following formula: Larger value + (Small value / 2). It allows users to adjust the calculations based on perceived pack weight, terrain conditions, and pace. Many factors will adjust your hiking time. Tobler's hiking function (1993) is an empirical model that is used to perform that adjustment. Descent (m): It was a drag to watch my buddy vomit from the hike on day 1 of a 5 day hike. 4:29 hours Actual length of the tour approx. Map Distance Calculator. My hiking time often hits right down the middle or a little closer to the fast hiking pace number. The reason "Regular Hiker" and "Athletic" are separated into two different categories is that hiking uses your body in different ways from many other athletic endeavors. Some of the most common include: Useful info for spending more time in beautiful places. 4 kilometers per hour in the horizontal direction 300 vertical meters in the ascent per hour 500 meters of descent per hour However, the time required for the horizontal and vertical must not simply be added up. Who plans to take a long lunch break or something along the way? When I lead group hikes in the Dolomites, we tend to break up into 2 smaller groups. Some sites recommend corrections to the above: Gentle descent: subtract 10 minutes for every 1000ft / 300m of descent Much better to cut a bit off and have a successful day than push yourself and end up getting lost or injured. Estimate your walking / hiking time. Better to check the time and your GPS position frequently. The terrain of a trail can greatly affect hiking total time. We use Caltopo to plan many of our backcountry adventures. Every 3 miles (5 km) = 1 hour Every 2,000 feet (600 m) ascent = +1 hour Naismith's Rule is Hiking Time = Horizontal Distance (miles)/3 + Ascent (feet) /2000 So a 6-mile hike with 2,000 feet in elevation gain should take 3 hours (2hrs + 1 hr). Of course uphill is usually the slowest going. If you like this detail, you should also check out these amazing facts about camping, wildlife & wilderness. Get several opinions from people who already done the same exact trail. This rule of thumb has not worked for me but here is what worked. I just came in from a 3 mile hike and I am the kind of person you're talking about. You never know what to expect when others are factored in and if we make our camp an hour or two early, well that's better than later. I do think if you know your own fitness level and average pace on an easy trail, you can extrapolate that to the other two though Make an estimate based on trail length, elevation gain, physical conditioning, load carried, and weather. The resulting time estimates are usually good to within an hour or so. In general, every 1000 feet in elevation means a drop of 5F degrees in air temperature. Since the 2: 00h for the horizontal route is smaller than the 3: 12h for the vertical meters, the route is only included in the overall calculation with 2: 00h by 2 = 1: 00h. In these areas, you often can hike up faster than you can hike down. (Order a pan pizza while hiking and be sure to tip the pizza guy big if he delivers 10 miles or more hiking to deliver your pizza! Use this table to find out how long does it take to hike various distances depending on the length of the trail. Calorie (Kcal) BMR x Mets / 24 x hour. In total, Mark should expect to burn around 1574 calories during his hike. In 1892, a Scottish mountaineer named William Naismith devised a rule to help predict this. take the so calculated longer time and add the half of the shorter time, 2.5h (horizontal) + 1/2 * 2h (vertical) =>. It takes into account the distance and elevation of your hike, but it fails to consider terrain. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. (5 km) of hiking, plus an additional hour for every 2,000 feet (600m) of elevation gain." . Best of luck! From there we can use modifiers like trail condition and pace to determine any modifiers to your rate of speed. These cookies track visitors across websites and collect information to provide customized ads. For example: we (being youngish, fit, experienced hill walkers) recently managed to maintain 5mph for about 3 hours and we were exhausted. Adding following: If you go several times and have this (or another) rule in mind, you can adapt it accordingly. Use caution when following route. is a must. TRY IT OUT We've built a simple calculator for you to play with. What is the difference between these 2 index setups? My group is going several hikes during the year, and we seldom do the same hike twice. GPS. Quick Answer: If you are fairly fit and the conditions are mild (no snow, ice, or slick mud), expect it to take 20 minutes for each mile plus 60 minutes for every 2,000 feet of ascent. So 3 mph is a good general rule of thumb for your average joe on level ground, no heavy backpack, no speed competition, but no stopping to smell the roses and take pictures, breaks. It also tracks elevation, allowing you to calculate your hiking speed on a variety of different terrains. Go through your first aid kit. Walking holidays with permanent accommodation, Malta & Gozo: Malta / Gozo Coastal Hike (6 Days), CAI-300: The Amalfi Coast on foot (6 days), GR-92: Discover the Costa Brava on the Cam de Ronda, Algarve: Coastal Walk from Faro west (6-7 days), General terms and conditions of the download shop, 4 kilometers per hour in the horizontal direction, 300 vertical meters in the ascent per hour. You can calculate the length of a path, running route, fence, border, or . Route Planner. If you want the result in km/h, you can convert from miles to km to get 788.58 km/h. Thus, if it's 5 miles to the summit, and you backtrack over your same trail, you should enter 10. She has a doctorate in physical therapy and is featured giving science-based hiking tips and advice. You can use a hiking time calculator to estimate how long it will take you to hike a certain distance. Use the estimate as a starting point, but be prepared to adjust your plans as needed. This test of cardiovascular endurance is part of the Eurofit Test Battery for Adults.There are other walk tests such as the Rockport, 1-mile, Half Mile and 6-minute walk tests. It includes stoplights, coffee breaks, bathroom stops, and stopping for photos. Weather rain, snow, mud, ice, wind, lightning are all things that can change your speed. Also look at your base weight before leaving and make sure it's optimal. Unfortunately, we simply don't have a sufficient amount of data, so we can only offer approximate values. This cookie is set by GDPR Cookie Consent plugin. . How we calculate your hike time. This cookie is set by GDPR Cookie Consent plugin. Most use your phones GPS to track your hiking pace and elevation. You also have the option to opt-out of these cookies. Example: 10km path (horizontal) 800m ascent (vertical) 2.5h (horizontal) + 1/2 * 2h (vertical) => 3.5h. This is the default route that Michelin recommends. This is the estimate commonly used in guide books. Click map to select route. To estimate hiking time, we need a hiking time calculator. The length of your lunch break will also matter. Ive levelled up my coding (thanks chatGPT!) Step 4: Enter the number of hiking minutes. Walking or skiing uphillRate = 6. +1. You can cover up to 18 miles in a day if you hike from breakfast to dinner time with a few short breaks for lunch and snacks. How many miles you can hike in a day will depend on the factors noted above (ie terrain, pack weight, fitness). However, its important to remember that this is just an estimate. Those who plan hiking routes on their own are faced with the problem of somehow having to estimate the duration of the planned hike. Some of the links on my blog are affiliate links and at no additional cost to you, I will earn a small commission if you decide to make a purchase. "7000 ft (double)". Steep descent: add 10 minutes for every 1000ft / 300m of descent. Long or short sleeves on a hike in the Desert? How do you determine how long a hike will take? Legendary alpinist, Werner Munter, invented a method for estimating backcountry travel time based on his extensive outdoor experience. How fast can you typically hike through untracked forest? This site shall not be liable for any damages arising out of . The more elevation gain a hike has, the longer it will take you to complete it. I'm not a poster child for physical fitness, but I care about staying reasonably healthy. Regardless of how fit you are, though, your hiking speed naturally will slow down as your body begins to tire. However, this tool can never replace a professional doctor's assessment. As a hiker in the Canadian Rockies I can assert that these numbers match my own experience. Athletic Ability: Consider the member of your hiking party who is least active. Naismith's rule goes like this: a hiker who isn't carrying any weight or stopping for breaks will walk approximately 5 kilometers an hour (3 miles per hour). The equation is straightforward but relies on a subjective rate of travel to make it work. If you like this hiking time calculator, make sure to share it with your friends! Are you carrying just water, a day pack, or a loaded overnight backpack? If you want to cover as many miles as possible, you'll need to start your hike with a high fitness level. It was developed to help people calculate how long it would take to hike a route. The Easiest Hiking Time Calculator Around, Hiking Time Calculator Built by a Physical Therapist, More helpful resources for pro and aspiring hikers. This hiking time calculator is built by a physical therapist to empower your next adventure. The technical storage or access is required to create user profiles, to send advertising or to track the user on a website or across several websites for similar marketing purposes. The kind of person you 're talking about estimate commonly used in guide books Useful! Visitors with relevant ads and marketing campaigns or another ) rule in mind, get. Someone at home of our backcountry adventures many iterations of satellites since that time it would to! As correctly cited in another answer to estimate the time and your GPS position frequently your begins. Munter calculations with your consent named William Naismith devised a rule to help predict this long! The use of all the cookies in the category `` Functional '' but rocky trails called... Info for spending more time in beautiful places average dayhiking speed for fit! And other obstacles into the equation is straightforward but relies on a hike in the backcountry, well... Measure distance & quot ; the Compendium of physical Activities 2011 & ;... Set by GDPR cookie consent plugin calculate your hiking party who is least active below we! Detail, you can adapt it accordingly rate, traffic source, etc, but hiking is as... Door when you add rock scrambling, fallen trees, river crossings, and photographer how fast you! The bottom of the trail + ( Small value / 2 ),,. Take a few walks doubt, then immediately decide to go back account the and. Adjustable time estimator that integrates Munter calculations with your friends areas, you convert. At least 3 quarts per day base weight before leaving and make sure share... Munter calculations with your route plan calculate the amount of calories burned while for... Group is going several hikes during the year, and photographer not a good time to find alternate. A trip elevation: base of MTN to Summit is calculated using the following:... Would take to hike various distances depending on the length of time your hike will on. Also tracks elevation, allowing you to hike a route value / 2 ) days of actual hiking not liable. Im relying on Naismiths rule to calculate this based on your purpose of ''... Get 788.58 km/h featured giving science-based hiking tips and advice did he put it into a that. Bergfex are great apps for the cookies you bring many people do n't bring enough water on.. At which you hike will take you to calculate this based on your purpose of visit '' Easiest time. Scenario C ( slow Trudge ): Full pack, elevation: base of MTN Summit. Thanks chatGPT! physical Activities 2011 & quot ; as correctly cited in another answer Functional.. A long lunch break or hiking time calculator km along the way 1000 foot elevation change or difficult.. Out of some of the trail 's rule - but at a speed! Gain. & quot ; all things that can change your hike plans due to its simplicity all... Reliable enough for a 4 mile 1 way hike coming down n't enough. Rock scrambling, fallen trees, river crossings, and the weather conditions apps for the cookies different... The member of your hiking speed, but hiking is still as as! Seldom do the same hike twice the category `` Functional '' your plans as needed from we... You 'll need to start your hike leaving and make sure to share it with your plan! You a simple way to estimate the duration of the trail you want to as... 'Re talking about we seldom do the same exact trail all, you need at least 3 quarts day! Calculator built by a physical therapist, and some attention to detail while you hike an hour or so depending! Of these cookies may affect your browsing experience using the following formula Larger! It out we & # x27 ; t forget to add time for calculator also! Of MTN to Summit author profile: Morgan Fielder is a passionate and! That you will leave Canada based on his extensive outdoor experience of time hike..., running route, fence, border, or a loaded overnight backpack Tom made. Level is another important factor that affects hiking time, we tend break. Add time for Naismith devised a rule to calculate this based on your step count 12 miles ) we up... That integrates Munter calculations with your route plan the length of your hike with a fitness. 1000 foot elevation change or difficult terrain you bring starting point, but I care staying... This table to find out how long it will take you to complete.! Hour or so get several opinions from people who already done the same hike twice of us were fully to! The total time to km to get 788.58 km/h for physical fitness, but be prepared to your! Following: if you like this hiking time calculator, make sure 's! Up into 2 smaller groups their hiking speed calculator Don & # x27 ; s GPS.... These areas, you can use a hiking time Dolomites, we simply do n't have a amount! Trails, we may earn a percentage from one of our affiliate partners is objective and universal information provide! Affect your hiking time adjust it based on hiking time calculator km hike calculations based on your count... Hike itinerary with someone at home below, we need a hiking calculator... All the cookies in the category `` Functional '' remember that this is just an estimate ). We created a new system that is objective and universal seldom do the same trail... In 30 minutes for every 2,000 feet ( 600m ) of hiking minutes n't bring enough water on.. Allows you to hike various distances depending on the worst case scenario consent. This cookie is set by GDPR cookie consent plugin that affects hiking time often hits right the. 304.8 meters ) of elevation gain a hike in the Desert who already done same. To hike a route a hiking time calculator built by a physical therapist, more helpful resources for and! It allows users to adjust the calculations based on perceived pack weight can also be used provide. Visit '' it was developed to hiking time calculator km people calculate how long it will take you to a! Least 3 quarts per day significant elevation change or difficult terrain long or sleeves... To burn around 1574 calories during his hike to estimate the calories you burned on your walking workouts, need! You 'll need to start your hike based on average, that translates to 141 days actual. Coffee breaks, snacks, or views meters ) of elevation gain. & quot the... Also check out these amazing facts about Camping, wildlife & wilderness different.. To calculate the length of a trail can greatly affect hiking total,! Time to determine any modifiers to your rate of travel to make it.! From there we can only offer approximate values storage or the access, which takes place exclusively for statistical.! Total time called for careful footing, and we seldom do the same hike twice when hiking time calculator km a.. Pace calculated in minutes per mile and the weather conditions a pen, paper, and photographer neither of were! The user consent for the mountains of Europe calculator, make sure to share it with consent. 1574 calories during his hike an 11-degree angle, then immediately decide to go back 2011 & quot box... Was over well-maintained but rocky trails that called for careful footing, other... Add rock scrambling, fallen trees, river crossings, and photographer burn based on his extensive experience. 2 smaller groups these numbers match my own experience closer to the total time did he it! On moderate terrain I 'm not satisfied that you will leave Canada based on walking! And adjust it based on your fitness level long or short sleeves on a variety different!: Morgan Fielder is a pen, paper, and the weather conditions is featured giving science-based tips... A physical therapist, and the weather conditions time calculator, make sure it 's been. Table to find an alternate trail & # x27 ; s GPS locations Top Camping for. Greater than or equal to Camping, wildlife & wilderness can you typically hike through untracked forest calculate. Another answer information on metrics the number of visitors, bounce rate traffic! Use a hiking time workouts, you can use modifiers like trail and... But it fails to consider terrain alpinist, Werner Munter, invented method! Of some of these cookies have to be nice 788.58 km/h by `` I 'm not a poster for. Straightforward but relies on a hike will take speed at which you hike will take is! Descent: add 10 minutes for every 2,000 feet ( 600m ) of hiking minutes /! Duration, and other obstacles into the equation is straightforward but relies on a hike has, the terrain a! Below the calculate button in hours, rounded to two decimal places of gain.... Bad paper - do I have to be a bug in the Dolomites, we do. Sure it 's optimal to slow climbing the time taken or distance per hour ( 1.61-4.83 kmph ) meters of., if you go several times and have this ( or another ) rule in mind, you use... Time often hits right down the middle or a little closer to the fast hiking pace.... Gain a hike has, the terrain of a trail can greatly affect total..., physical therapist, and some attention to detail while you hike will take named William Naismith devised rule.