Free tools
The numbers, before the plan
Three free calculators built on the same arithmetic RunV's coaching engine uses. No sign-up needed — every result is shareable by URL, and you can email yourself a copy.
- Race Time PredictorA recent result in, equivalent times at every distance out — using Riegel's published formula, with the model shown on the page.Open →
- Pace CalculatorPace, time or distance from the other two, with every split through to the finish and a printable pacing card.Open →
- Weekly Mileage CheckerFour weeks in, your exact average and both comparisons out — each with its denominator named. No verdicts.Open →
- Supplement ExplorerWhat runners use and what the research says, filtered by race distance, goal and research rating. No recommendations.Open →
