Sunday, January 10, 2027Phoenix, AZ
Chilly Willy 5K/10K/Half Marathon - Phoenix
3 events
- 5K5KRoadStarts 8:30 AM
- 10K10KRoadStarts 8:30 AM
- Half MarathonHalfRoadStarts 8:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 100/100
- High / low
- 66° / 41°F
- 19° / 5°C
- Humidity
- 43%
- Dew point 27°F
- Chance of rain
- 9%
- Wind
- 7 mph
- Average
- Usually ideal weather for a half marathon.
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.3 years, 266 finishers; men and women compared separately.
- 4% slowerFinish times are typically 4% slower than at other half marathons.3 years, 159 finishers; men and women compared separately.
- 5% slowerFinish times are typically 5% slower than at other 10Ks.3 years, 152 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half Marathon · Half | 45 | 2:11:06 | 1:56:12 | 2:17:27 |
| 2026 | 10K · 10K | 38 | 1:04:18 | 1:00:09 | 1:07:09 |
| 2026 | 5K · 5K | 70 | 43:19 | 43:17 | 43:47 |
| 2025 | Half Marathon · Half | 85 | 2:19:52 | 2:11:21 | 2:22:26 |
| 2025 | 10K · 10K | 72 | 1:05:42 | 1:00:11 | 1:12:50 |
| 2025 | 5K · 5K | 151 | 35:06 | 30:27 | 37:52 |
| 2024 | Half Marathon · Half | 29 | 2:16:13 | 2:07:03 | 2:43:20 |
| 2024 | 10K · 10K | 42 | 1:01:07 | 59:30 | 1:11:45 |
| 2024 | 5K · 5K | 45 | 34:57 | 32:11 | 35:35 |
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.