Saturday, April 17, 2027San Antonio, TX
Running through the Decades Half Marathon - San Antonio
4 events
- 1 Mile Run1 miRoadStarts 7:00 AM
- 5k Run 3.1 Miles5KRoadStarts 7:00 AM
- Quarter Marathon Run 6.55 Mile10.5KRoadStarts 7:00 AM
- Half Marathon Run 13.1 MileHalfRoadStarts 7:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherFair weather · 69/100
- High / low
- 84° / 59°F
- 29° / 15°C
- Humidity
- 64%
- Dew point 55°F
- Chance of rain
- 22%
- Wind
- 11 mph
- Average
- Usually warm for a half marathon: about 68°F while racing.
- Often windy: about 11 mph on average.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 15% slowerFinish times are typically 15% slower than at other 5Ks.1 year, 246 finishers; men and women compared separately.
- 19% slowerFinish times are typically 19% slower than at other half marathons.1 year, 97 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half Marathon Run 13.1 Mile · Half | 97 | 2:25:56 | 2:21:18 | 2:54:18 |
| 2026 | Quarter Marathon Run 6.55 Mile · 10.5K | 117 | 1:15:28 | 1:12:34 | 1:17:52 |
| 2026 | 5k Run 3.1 Miles · 5K | 246 | 41:25 | 38:42 | 42:16 |
| 2026 | 1 Mile Run · 1 mi | 11 | 17:09 | 17:00 | 17:28 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.