Saturday, January 16, 2027Oklahoma City, OK
Chilly Willy 5K/10K/Half Marathon - Oklahoma City
4 events
- 5K5KRoadStarts 8:30 AM
- 10K10KRoadStarts 8:30 AM
- Half Marathon-No Shirt13.1KRoadStarts 8:30 AM
- Half MarathonHalfRoadStarts 8:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherGood weather · 83/100
- High / low
- 48° / 27°F
- 9° / -3°C
- Humidity
- 68%
- Dew point 26°F
- Chance of rain
- 13%
- Wind
- 12 mph
- Average
- Usually cold for a half marathon: about 35°F while racing.
- Often windy: about 12 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
- 7% slowerFinish times are typically 7% slower than at other 5Ks.2 years, 206 finishers; men and women compared separately.
- Typical timesFinish times are typical for 10Ks.2 years, 65 finishers; men and women compared separately.
- Typical timesFinish times are typical for half marathons.2 years, 53 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half Marathon · Half | 23 | 2:14:05 | 2:08:57 | 2:31:00 |
| 2026 | 10K · 10K | 41 | 1:05:46 | 58:22 | 1:13:33 |
| 2026 | 5K · 5K | 114 | 39:24 | 34:46 | 41:23 |
| 2025 | Half Marathon · Half | 30 | 2:06:30 | 1:57:41 | 2:25:58 |
| 2025 | 10K · 10K | 24 | 1:00:34 | 56:31 | 1:07:42 |
| 2025 | 5K · 5K | 92 | 37:49 | 32:12 | 40:51 |
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.