Free tools
Free, no account, useful even if you never install the app. Every result comes with its formula.
min/km
Pace and speed calculator
Distance and time → pace, speed and split times.
Open →vVO2maxvVO2max calculator
6-minute test or Léger test → vVO2max and paces.
Open →% vVO2maxTraining paces
vVO2max → pace for each type of session.
Open →VDOTRace time predictor
A recent result → 10K, half marathon, marathon.
Open →bpmMax heart rate and zones
Age and resting HR → max HR and 5 zones in bpm.
Open →