Calculate race times using the jeffing method
Timer will use your current interval settings:
120s run / 30s walk
Audio cues at each transition:
🗣️ "Prepare to run" → "Run"
🗣️ "Prepare to walk" → "Walk"
Compare different interval strategies using your current pace settings
| Strategy | Total Time | Pace | % Running | |
|---|---|---|---|---|
| No strategies to compare. Add one below. | ||||
Current pace settings: 9:00/mile run, 15:00/mile walk
No saved strategies yet
Save your favourite interval strategies for quick access