How Many Calories Does Running Burn?

How Running Calorie Burn Is Calculated

Calories burned running are estimated using MET values (Metabolic Equivalent of Task), a standardised measure of exercise intensity published in the Compendium of Physical Activities (Ainsworth et al., 2011). The formula used by the American College of Sports Medicine is:

Calories/hour = MET × body weight (kg) × 1.05

Running MET values range from approximately 7.0 at a slow jog (8 km/h) to over 14.0 at a fast race pace (14–16 km/h). The two dominant variables are body weight and speed: a heavier runner burns more calories at any given pace, and a faster runner burns more calories per minute. For a personalised estimate by duration and pace, use our Calories Burned Calculator.

Based on: Ainsworth BE, Haskell WL, Herrmann SD, et al. "2011 Compendium of Physical Activities." Med Sci Sports Exerc. 2011;43(8):1575–1581. PubMed ↗

Calories Burned Running: Table by Speed and Body Weight

Values below are in kcal/hour, calculated from validated MET values × weight × 1.05.

kcal/hour. For personalised duration-based estimates, use the Calories Burned Calculator.

Calories Burned Running by Duration

The table below shows estimated calorie burn for a 75 kg runner at a moderate pace (10 km/h, MET 9.8):

kcal. Based on MET 9.8 (10 km/h). Values scale linearly with duration.

Based on: Pavlidou S, Mougios V. "Energy expenditure of running at different speeds." J Sports Sci. 2015;33(12):1273–1280. PubMed ↗

4 Factors That Affect How Many Calories Running Burns

1. Body Weight

Body weight is the single strongest predictor of calorie burn from running. A 90 kg runner burns approximately 50% more calories per session than a 60 kg runner at the same pace and duration. This is because more energy is required to move a larger mass. As you lose weight, your calorie burn per run will gradually decrease — recalculate your targets periodically using the Calories Burned Calculator.

2. Running Speed

Faster running burns more calories per minute because it requires a proportionally higher metabolic rate. However, faster running is also more taxing and limits total duration. For fat loss, there is a trade-off: a 75 kg runner who runs 30 minutes at 12 km/h burns approximately 453 kcal, while the same runner who runs 45 minutes at 9 km/h burns approximately 496 kcal. Moderate-pace, longer-duration runs often produce equal or greater total calorie burns than short, high-intensity efforts.

3. Terrain and Incline

Running uphill significantly increases calorie expenditure. A 5% incline at 10 km/h raises the MET from approximately 9.8 to 13.0 — a 33% increase in calorie burn. Trail running on uneven terrain also increases energy cost by 10–20% compared to flat road running due to the additional stabilisation effort required.

4. Running Economy

Well-trained runners are more economical — they burn fewer calories per kilometre than beginners at the same pace. This is because their neuromuscular system has adapted to minimise wasted energy. Beginners therefore burn somewhat more calories per km than the MET tables predict, while elite runners burn somewhat less. For most recreational runners, MET-based estimates are accurate to within ±10–15%.

Running for Weight Loss: What the Numbers Mean

To lose approximately 0.5 kg of fat per week, you need a cumulative deficit of approximately 3,500 kcal. Running 5 days per week for 45 minutes at 10 km/h burns approximately 2,890 kcal for a 75 kg runner — meaningful but not sufficient on its own for half a kilogram of weekly fat loss. The most effective approach combines a 300–400 kcal dietary deficit with 3–5 running sessions per week, producing a combined weekly deficit of approximately 3,400–5,800 kcal. For the full framework, see our Running for Weight Loss guide.

To track your pace targets and structure your running programme, use the Running Pace Calculator.