London Marathon 2025
London · April 27, 2025 · 56,660 finishers
- Where the field cracked
- 30 km
- Negative splits
- 3.7%
- Median finish
- 4:34:04
- Finishers
- 56,660
Largest drop in pace between two mats.
Share of the field that ran the second half faster.
Fade, by finish time
Fade tracks ability, so a single field-wide median would compare you against people running a different race. Each band below is the median for runners who finished near your time.
| Band | Median fade |
|---|---|
| <3:00 | 4.0% |
| 3:00-3:30 | 6.8% |
| 3:30-4:00 | 8.9% |
| 4:00-4:30 | 14.0% |
| 4:30-5:00 | 17.5% |
| >5:00 | 18.8% |
Race conditions
- Temp.
- 12.6°C – 20.5°C
- Humidity at peak
- 36%
- Wind
- 1 km/h – 7 km/h
Temperature ran from 12.6°C to 20.5°C. At its hottest, the air was at 36% humidity.
Hour by hour
| Hour | Temp. | Humidity | Wind |
|---|---|---|---|
| 09:00 | 12.6°C | 75% | 1 km/h |
| 10:00 | 15.0°C | 60% | 1 km/h |
| 11:00 | 16.9°C | 53% | 1 km/h |
| 12:00 | 18.2°C | 47% | 3 km/h |
| 13:00 | 19.3°C | 43% | 3 km/h |
| 14:00 | 20.5°C | 36% | 3 km/h |
| 15:00 | 20.4°C | 36% | 4 km/h |
| 16:00 | 20.4°C | 35% | 4 km/h |
| 17:00 | 20.4°C | 35% | 4 km/h |
| 18:00 | 20.2°C | 36% | 5 km/h |
| 19:00 | 19.6°C | 41% | 6 km/h |
| 20:00 | 18.2°C | 52% | 4 km/h |
| 21:00 | 16.8°C | 61% | 5 km/h |
| 22:00 | 15.9°C | 66% | 7 km/h |
| 23:00 | 14.8°C | 67% | 7 km/h |
| 00:00 | 14.1°C | 70% | 6 km/h |
Hourly data from open-meteo. Peak wind 7 km/h. Times in the race's own zone.