Buenos Aires Half Marathon 2025
Buenos Aires · August 24, 2025 · 24,968 finishers
- Negative splits
- 51.3%
- Median finish
- 1:59:57
- Finishers
- 24,968
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 |
|---|---|
| <1:30 | 1.1% |
| 1:30-1:45 | -0.7% |
| 1:45-2:00 | -1.5% |
| 2:00-2:15 | -0.6% |
| 2:15-2:30 | 1.6% |
| >2:30 | 6.8% |
Race conditions
- Temp.
- 5.8°C – 14.2°C
- Humidity at peak
- 44%
- Wind
- 13 km/h – 14 km/h
Temperature ran from 5.8°C to 14.2°C. At its hottest, the air was at 44% humidity.
Hour by hour
| Hour | Temp. | Humidity | Wind |
|---|---|---|---|
| 07:00 | 5.8°C | 66% | 14 km/h |
| 08:00 | 5.9°C | 65% | 14 km/h |
| 09:00 | 7.2°C | 64% | 13 km/h |
| 10:00 | 10.0°C | 53% | 13 km/h |
| 11:00 | 12.2°C | 49% | 13 km/h |
| 12:00 | 14.2°C | 44% | 14 km/h |
Hourly data from open-meteo. Peak wind 14 km/h. Times in the race's own zone.