Running Power Calculation

Running and sprinting ability is usually recorded as a speed or time over a set distance, and usually this would be the best measure of power output.

A 100 kg person running 40 meters in 6 seconds is very different to a 70 kg running the same distance in the same time. Momentum is greater for the heavier person, and in contact sports this would be advantageous, however in other sports this would mean that stopping and changing direction would be more difficult.

Calculating power output for human running is complex. Here is a table of power output for human walking (0 to 4 mph) and running (5+ mph), for a 60 kg person. This is an estimation, and does not take into account variations in differences in running efficiency. For runners of different weight thevalues will also be different.

Velocity
(mph)

Velocity
(meters/min)

Oxygen
Consumption
(mL/min)

Power
(kcal/min)

Power
(watts)

 0

 0

 210

 1.01

 70

 2

 54

 530

 2.57

 179

 3

 81

 700

 3.35

 233

 4

 107

 850

 4.11

 286

 5

 134

 1820

 8.76

 610

 6

 161

 2140

 10.3

 719

 7.5

 201

 2630

 12.7

 883

 10

 268

 3430

 16.5

 1150

 15

 403

 5050

 24.3

 1690

sprint power calculationsFigures are calculated from equations in: American College of Sports Medicine. Guidelines for Exercise Testing and Prescription, 4th edition. Philadelphia: Lea & Febiger, 1991, p. 285-300.

Running Uphill

If you are running on trails with many uphill and downhill sections, then power output and energy expenditure will change.

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