How to Calculate Sprint Speed
What is Sprint Speed?
A sprint speed calculator converts race times over short distances (10m, 30m, 40 yards, 100m) into average and peak speed, and allows comparison between different distances using speed endurance models.
Step-by-Step Guide
- 1Average speed = Distance / Time
- 2Peak speed occurs between 50–70m in a 100m sprint (after acceleration phase)
- 3The 40-yard dash (36.6m) is the primary NFL Combine speed test
- 4Convert: 40yd in seconds → mph = 36.6 / time × 2.237
Worked Examples
Input
100m in 10.5 seconds
Result
Average speed 34.3 km/h · Peak ~43 km/h
Peak in acceleration phase 60-80m
Input
NFL 40yd dash: 4.4 seconds
Result
18.7 mph / 30.1 km/h average
36.6m ÷ 4.4 × 2.237 = 18.6 mph