Sunday, June 13, 2027San Antonio, TX
Texas Sun Showdown Half Marathon, Relay & 5k
2 events
- Half MarathonHalfRoadStarts 7:00 AM
- 5K5KRoadStarts 7:10 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherHarsh weather · 16/100
- High / low
- 95° / 73°F
- 35° / 23°C
- Humidity
- 65%
- Dew point 68°F
- Chance of rain
- 23%
- Wind
- 10 mph
- Average
- Usually hot for a half marathon: about 81°F while racing.
- Muggy: dew point around 68°F.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- Typical timesFinish times are typical for 5Ks.1 year, 144 finishers; men and women compared separately.
- 15% slowerFinish times are typically 15% slower than at other half marathons.1 year, 45 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half Marathon · Half | 45 | 2:25:30 | 2:24:24 | 2:35:06 |
| 2026 | 4-Person Half Marathon Relay · Half | 18 | 1:54:26 | — | — |
| 2026 | 2-Person Relay · Half | 7 | 1:54:48 | — | — |
| 2026 | 5K · 5K | 144 | 35:55 | 33:44 | 37:00 |
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.