Saturday, July 10, 2027Westminster, CO

All-Out Dog Days

3 events

Half MarathonHalfRoadStarts 7:00 AM
10K10KRoadStarts 7:30 AM
5K5KRoadStarts 7:40 AM

Half MarathonHalfRoadStarts 7:00 AM
10K10KRoadStarts 7:30 AM
5K5KRoadStarts 7:40 AM

Location

Approximate, from the race's ZIP code.

Typical race-day weatherFair weather · 61/100

High / low: 89° / 61°F; 32° / 16°C
Humidity: 42%; Dew point 46°F
Chance of rain: 39%
Wind: 7 mph; Average

Usually warm for a half marathon: about 71°F while racing.
Rain on about 39% of days around this date.

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.4 years, 544 finishers; men and women compared separately.
Typical timesFinish times are typical for half marathons.4 years, 361 finishers; men and women compared separately.
Typical timesFinish times are typical for 10Ks.4 years, 349 finishers; men and women compared separately.

Year	Event	Finishers	Median	Men	Women
2026	Half Marathon · Half	83	2:10:50	2:04:48	2:21:25
2026	10K · 10K	95	1:07:14	1:01:52	1:09:47
2026	5K · 5K	141	39:43	35:14	41:57
2025	Half Marathon · Half	101	2:06:43	1:59:32	2:10:51
2025	10K · 10K	85	1:05:24	54:38	1:09:58
2025	5K · 5K	158	35:22	32:35	36:45
2024	Half Marathon · Half	92	2:10:52	2:03:29	2:19:37
2024	10K · 10K	93	1:08:57	1:06:23	1:09:51
2024	5K · 5K	153	36:01	32:31	38:40
2023	Half Marathon · Half	85	2:05:53	1:56:40	2:15:26
2023	10K · 10K	76	1:03:45	1:00:51	1:06:40
2023	5K · 5K	92	35:41	32:48	37:47

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.

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