Pace Calculator vs Run Pace Calculator & Splits

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

Need your running pace in seconds? Enter any two of pace, time, or distance and PaceCalc instantly solves the third — in kilometers or miles, with speed shown in both km/h and mph. No guessing, no spreadsheet math. Most pace tools stop at one number. PaceCalc goes further: it forecasts every race distance from a single result, builds a segment-by-segment split plan for race day, and keeps a history of every calculation you save — so the number you need is always one tap away. WHAT YOU GET - Instant pace, time, or distance from the other two, in km or miles - Speed readout in km/h and mph on every result - Race finish predictions from 1K to 100K ultra using the proven Riegel model - Even, negative, and positive split tables for any distance - A saved history of your calculations to revisit and compare - Built-in coaching articles on pacing, splits, and training zones PERFECT FOR - 5K and 10K runners chasing a personal best - Half and full marathon racers planning goal pace - Treadmill and track athletes dialing in tempo and intervals - Coaches setting split targets for their runners WHY NOT JUST USE A GENERIC CALCULATOR? A phone calculator gives you one division. PaceCalc understands running: it converts pace between km and miles correctly, predicts your finish across every distance, and lays out the exact splits to hit your goal — something a stopwatch and a notepad can't do in one place. PRIVACY Everything runs on your device. No account, no sign-up, no ads, and nothing about your training is uploaded. FULL ACCESS The pace calculator is free to use. Unlocking Pro adds the race finish predictor, the split-time planner, and unlimited saved history — available as a weekly or yearly subscription, or a one-time lifetime purchase. Manage or cancel anytime in your App Store settings. Punch in your numbers and get your pace right now. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? tphuc.work@gmail.com