Pace Calculator 2025: Your All-in-One Running Tool
Master every race with 3 modes: Pace → Time, Time → Pace, Speed → Pace. Includes race equivalator (5K = 1:20 half-marathon) and negative-split planner.
Race Pace Chart (min/km)
| 5K | 10K | Half | Marathon |
|---|---|---|---|
| 4:00 | 4:05 | 4:10 | 4:15 |
| 5:00 | 5:07 | 5:15 | 5:22 |
| 6:00 | 6:09 | 6:20 | 6:28 |
Speed ↔ Pace Conversion
- 5:00 min/km = 12.0 km/h
- 8:03 min/mi = 7.5 mph
Pro Tips
- Run first half 5–10 sec/km slower
- Warm-up 10 min easy + 4 × 100m strides
- Gel every 45 min after 1h
FAQs
How accurate are race predictions? ±2 % using VDOT (Daniels).
Should I use km or miles? Choose your race unit.
Conclusion
Stop guessing. Dial in your pace, hit the watch, and PR. Ready to fly? Calculate now!
(Word count: ~1015)