Pace Calculator vs Race Pace

Enter one race result, or just enter your VDOT. Get your fitness score and five science-backed training zones instantly — free. Pacesmith uses Jack Daniels' Running Formula to calculate your VDOT score from any recent race. You'll see exact pace ranges for Easy, Marathon, Threshold, Interval, and Repetition training — the same zones elite coaches prescribe. VDOT & TRAINING ZONES (FREE) - Enter any race distance and finish time - Or enter your VDOT directly if you already know it, and watch the paces update as you adjust it - Get your VDOT fitness score based on Daniels' Running Formula - See five training zones with precise pace ranges, in kilometres or miles - Track how your fitness changes over time UNLOCK ALL TOOLS — ONE-TIME PURCHASE Three additional calculators, yours forever. No subscription. No account. RACE PREDICTOR Predict your finish time at every standard distance — from 1500m to the marathon — based on your current VDOT. Enter one result, see them all. PACE CALCULATOR A three-way solver: enter any two of pace, time, and distance to calculate the third. Get per-kilometre or per-mile splits for any run. SPLIT PLANNER Build a race-day pacing plan with even or negative split strategies. See your target time for every single kilometre or mile. BUILT FOR RUNNERS WHO CARE ABOUT THE DETAILS - Jack Daniels' VDOT formula — not guesswork - Last 50 calculations saved automatically - Clean, fast interface — no ads, no clutter - Works offline - Available in 15 languages - One-time purchase unlocks everything, forever

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.