Saturday, September 18, 2027 – Sunday, September 19Washington, DC
DC Half Races
2 events
- 5K5KRoadStarts 8:00 AM
- Half MarathonHalfRoadStarts 7:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherFair weather · 68/100
- High / low
- 79° / 60°F
- 26° / 16°C
- Humidity
- 71%
- Dew point 58°F
- Chance of rain
- 28%
- Wind
- 8 mph
- Average
- Usually warm for a half marathon: about 67°F while racing.
- Humid: dew point around 58°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 half marathons.1 year, 9,577 finishers; men and women compared separately.
- 9% fasterFinish times are typically 9% faster than at other 5Ks.1 year, 2,093 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half Marathon · Half | 9,577 | 2:14:51 | 2:06:18 | 2:22:10 |
| 2026 | 5K · 5K | 2,093 | 32:23 | 29:44 | 34:04 |
| 2025 | 5K · 5K | 2 | 29:48 | — | — |
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.