Free running tools
Calculators for new runners. Free, no account, nothing you type leaves your browser.
- Running plan generatorAnswer five questions and get your first week of walk/run workouts.
- Pace calculatorWork out your pace, finish time or distance, in km and miles.
- Race time predictorPredict your 5K, 10K, half marathon and marathon times from one race.
- Heart rate zonesYour five heart rate zones, and the easy zone 2 pace to run in.
- Calories burned runningHow many calories a run burns, from your weight, distance and pace.
- Treadmill pace converterTurn treadmill speed into pace per km or mile, and back.
- Pace chartsEvery finish time for 5K, 10K, half and marathon, with the pace to run it.
Your first run starts here
A plan from zero to 5K or 10K that adapts every week to how you feel. Free on iPhone and Apple Watch.
Download on the App Store