Race Pace: Running Calculators

The all-in-one running calculator. Calculate pace, splits, race predictions, VO₂ Max, heart rate, calories, intervals, and more.

Race Pace is an all-in-one running calculator and performance toolkit designed to help runners train smarter, race with confidence, and track their progress. Whether you're preparing for your first 5K, chasing a marathon personal best, or tackling an ultramarathon, Race Pace gives you the tools to calculate, plan, analyse, and improve—all in one simple app. Running Calculators • Calculate pace, finish time, or required pace • Supports distances from 400m to ultramarathons, plus custom distances • Switch instantly between min/km and min/mile • View clear, easy-to-read split tables Advanced Running Tools (Pro) • Even, negative, positive, and custom split planning • Interval workout planner • Race time predictions • VO₂ Max estimator • Heart rate calculator • Grade-adjusted pace calculator • Calorie estimator • BMI calculator • Sleep calorie calculator Track Your Progress • Save race results and personal bests • Compare performances over time • View progress with clean, easy-to-read charts Designed for Runners • Works completely offline • No GPS tracking • No account required • Clean, distraction-free interface • One-time Pro purchase • No subscriptions Race Pace focuses on the tools runners actually need—powerful calculators, performance analysis, and simple race planning without unnecessary complexity.