Calculator | VDOT

Running Calculator


Calculate your Critical Running Speed (CRS) and running speed training zones.

Get your expected time for the following race distances:

5K
10K
Half Marathon (13.1)
Marathon (26.2)
Half Ironman (70.3) Half Marathon
Ironman (140.6) Marathon
Running Calculator

Running Calculator

References:

Jack Daniels, "Daniels Running Formula", Human Kinetics, 1998

J. Daniels and J.R. Gilbert, "Oxygen Power: Performance Tables for Distance Runners", British Journal of Sports Medicine, 1979