How Many Calories Does A 5 Mile Hike Burn? | Trail Math

Calories Burned On A 5-Mile Hike: What Changes The Total

Calories on the trail come from a handful of levers: body weight, pace, grade, surface, temperature, altitude, and any load you carry. A 125-lb hiker on a smooth path can land near the low end. A 185- to 215-lb hiker on steeper ground with a daypack can land near the top end. The spread is normal because hiking shifts between moderate and vigorous effort across the same distance.

Researchers describe that effort with METs (metabolic equivalents). A moderate trail day sits near ~6 MET; backpacking and steeper grades push closer to ~7–8 MET. Those values line up with widely used reference charts and match what many hikers see when they compare hour-by-hour calorie burn to their resting level.

Quick Table: 5-Mile Estimates By Body Weight

The table below assumes a ~3 mph moving pace (about 100 minutes of motion). “Moderate Trail” uses ~6 MET. “Steep/Loaded” averages ~7–7.8 MET to reflect extended climbing or a pack.

Body Weight	Moderate Trail (5 Miles)	Steep/Loaded (5 Miles)
125 lb (57 kg)	~595 kcal	~744 kcal
155 lb (70 kg)	~738 kcal	~923 kcal
185 lb (84 kg)	~881 kcal	~1,101 kcal
215 lb (98 kg)	~1,024 kcal	~1,280 kcal

Snack timing gets easier once you set your daily calorie needs. That way you can plan trail fuel without blowing your budget.

How We Calculated The Numbers

Calories are estimated with the standard MET formula: Calories = MET × 3.5 × body weight (kg) ÷ 200 × minutes. A 155-lb hiker (70 kg) moving for ~100 minutes at ~6 MET lands near ~700–750 calories. Bump the effort to ~7–7.8 MET with steeper grades or a full pack and the same hiker reaches ~900–1,000 calories. Multiply your own body weight in kilograms by the same steps for a personal estimate.

MET levels come from activity compendiums used by researchers and clinicians. “Hiking/backpacking” sits higher than sidewalk walking because of uneven surfaces, elevation change, and load. The same distance on different terrain rarely costs the same energy, which is why two people on the same 5-mile loop can end with very different totals.

What Raises Or Lowers Trail Energy Cost

Grade And Elevation Gain

Long climbs nudge your intensity into a harder zone. The same 5 miles with 1,000–1,500 ft of gain can sit closer to backpacking-level METs. On long descents, eccentric loading taxes legs and can slow pace, so time on feet goes up even if effort feels lower.

Surface And Footing

Roots, talus, sand, snow, or mud steal energy with slips and corrections. Even when speed drops, the cost per minute can stay high because stabilizers work overtime.

Pack Weight

Carrying water, layers, and food adds demand. A light daypack barely moves the needle on groomed paths, but backpacking with camping gear can push you into the higher range for much of the route.

Pace And Stops

Moving time matters. A brisk 3.5 mph pace trims total minutes on trail, lowering the duration part of the equation even if intensity is higher. Lots of photo stops lengthen the clock and bump calories from time alone.

Heat, Cold, And Altitude

Hot days raise heart rate, and cold winds make your body work to stay warm. At altitude, oxygen is lower, so the same grade feels tougher and slows speed. Any of these can lift your total for the same distance.

Terrain Scenarios For A 5-Mile Route

Smooth Lakeside Path

Flat, packed dirt with clear lines. Expect a steady, conversational effort at a pace near 3 mph. A lighter hiker without a pack often finishes near the low end of the range.

Rolling Forest Trail

Short climbs and descents with roots and rocks. Your stride changes often and poles help. A mid-weight hiker at a power-walk pace lands near the middle of the range.

Steep Ridge Out-And-Back

Extended climbing to an overlook, then a long descent. A heavier hiker or anyone with a loaded pack will trend toward the high end, even at a slower walking speed.

Per-Mile Benchmarks (Moderate Trail)

These quick mile-by-mile numbers assume ~6 MET and a steady walking pace. Use them to sanity-check smartwatch readouts or to plan snacks across the route.

Body Weight	Calories Per Mile	Notes
125 lb (57 kg)	~119 kcal	Gentle paths stay lower
155 lb (70 kg)	~148 kcal	Baseline for many day hikes
185 lb (84 kg)	~176 kcal	Climbs stack fast
215 lb (98 kg)	~205 kcal	Packs and hills magnify this

How To Personalize Your Estimate

1) Set Your Baseline Weight

Use your current body weight, not a target number. If your scale swings through the week, take a simple average from a few mornings.

2) Pick A Realistic Effort Level

A mellow loop with short ups fits a lower MET; a backpack trip with long grades sits higher. Trail notes and elevation profiles on map apps help you choose the right row in the tables.

3) Account For Time On Feet

Distance is only half the story. Wind, mud, and crowding can turn a short loop into a long session. If your pace drops, minutes climb, and calories follow.

4) Sanity-Check With An Official Definition

Public-health guides explain METs in plain terms using the talk-test and resting oxygen use. One MET equals sitting quietly; higher METs reflect harder breathing and effort. You can read a clear overview in the CDC intensity page.

Trail Fuel, Hydration, And Recovery

Before You Start

A light carb-forward snack 30–60 minutes before you step off helps keep pace steady. Sip water early. If it’s hot or your route climbs fast, add sodium with your bottle or bring a small sports drink packet.

During The Hike

Aim to snack every 45–60 minutes on longer outings. Nuts, dried fruit, chews, sandwiches, or a simple bar keep things smooth. Water needs rise in heat, wind, and altitude; plan refills or carry extra.

After You Finish

Eat a normal meal with protein and carbs within a couple of hours. Legs feel better the next day if you rehydrate and walk a few minutes post-hike.

Smartwatch Numbers: Why They Differ

Wrist devices estimate energy with your weight, heart-rate response, and sometimes elevation. If your strap loses contact on sweaty climbs or your resting HR in the profile is off, totals drift. Compare your last few hikes on the same loop, then average. If your device lets you tag “hiking” vs “walking,” choose the trail-specific mode so grade and altitude feed the math.

Plan A Better 5-Mile Outing

Route Choice

Pick a distance and elevation gain that lets you finish strong. If you’re new to trails, start with rolling loops and add gain over a few weekends.

Pace Targets

On smooth paths, aim for a steady walking cadence. On rocky ground, short steps and poles lower slips and keep heart rate steadier at the same speed.

Gear Tweaks That Save Energy

Grippy shoes, a snug pack, and light layers reduce wasted effort. Poles shift load off knees on long descents and let you keep rhythm on climbs.

Where This Fits Your Bigger Health Picture

Hiking checks both movement and headspace boxes, and it scales from local parks to mountain days. If you’re tracking weight change, even one weekly 5-mile loop can move the needle when it’s part of a consistent routine.

Want more structure for your weekly plan? Try our steps tracking guide to line up daily movement with your trail days.