Free tool · Ricey Runs Coaching
Running Pace Calculator
Enter one or more recent personal bests and we'll blend them into a single VDOT fitness score, the same model used to build every Ricey Runs training plan, then hand you training paces for every session type.
Recent PBs
The more recent races you add, the more accurate your paces. We average every valid time rather than relying on just one.
3K3 km
Use MM:SS, e.g. 12:00
5K5 km
Use MM:SS, e.g. 20:00
10K10 km
Use MM:SS, e.g. 42:00
Half Marathon21.0975 km
Use MM:SS or H:MM:SS, e.g. 1:32:00
Marathon42.195 km
Use MM:SS or H:MM:SS, e.g. 3:20:00
Enter at least one recent race time on the left to see your training paces.
Estimates use the Daniels & Gilbert VDOT model, the standard behind most modern training-pace charts. They're a strong starting point, not a guarantee — actual paces vary with terrain, heat, fatigue and race-day conditions.