Saturday, December 5, 2026Westminster, CO
All-Out Fa La La
3 events
- Half MarathonHalfRoadStarts 9:00 AM
- 10K10KRoadStarts 9:30 AM
- 5K5KRoadStarts 9:40 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherGood weather · 82/100
- High / low
- 45° / 24°F
- 7° / -4°C
- Humidity
- 54%
- Dew point 17°F
- Chance of rain
- 18%
- Wind
- 9 mph
- Average
- Usually cold for a half marathon: about 31°F while racing.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 5% fasterFinish times are typically 5% faster than at other half marathons.3 years, 700 finishers; men and women compared separately.
- Typical timesFinish times are typical for 5Ks.3 years, 429 finishers; men and women compared separately.
- Typical timesFinish times are typical for 10Ks.3 years, 383 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2025 | Half Marathon · Half | 187 | 2:05:01 | 1:58:38 | 2:10:56 |
| 2025 | 10K · 10K | 127 | 1:04:24 | 59:06 | 1:07:43 |
| 2025 | 5K · 5K | 148 | 35:58 | 34:00 | 38:23 |
| 2024 | Half Marathon · Half | 265 | 2:04:31 | 1:58:09 | 2:11:44 |
| 2024 | 10K · 10K | 131 | 1:04:37 | 54:26 | 1:06:50 |
| 2024 | 5K · 5K | 163 | 36:46 | 29:41 | 38:25 |
| 2023 | Half Marathon · Half | 248 | 2:07:42 | 1:59:40 | 2:14:03 |
| 2023 | 10K · 10K | 125 | 1:02:14 | 59:39 | 1:03:41 |
| 2023 | 5K · 5K | 118 | 33:00 | 30:11 | 35:26 |
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.
