Saturday, June 12, 2027Arvada, CO

All-Out Summer Breeze

3 events

Half MarathonHalfRoadStarts 7:00 AM
10K10KRoadStarts 7:10 AM
5K5KRoadStarts 7:20 AM

Half MarathonHalfRoadStarts 7:00 AM
10K10KRoadStarts 7:10 AM
5K5KRoadStarts 7:20 AM

Location

Approximate, from the race's ZIP code.

Typical race-day weatherGood weather · 77/100

High / low: 84° / 53°F; 29° / 12°C
Humidity: 41%; Dew point 40°F
Chance of rain: 30%
Wind: 8 mph; Average

Usually warm for a half marathon: about 64°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

Typical timesFinish times are typical for 5Ks.4 years, 486 finishers; men and women compared separately.
Typical timesFinish times are typical for half marathons.4 years, 372 finishers; men and women compared separately.
Typical timesFinish times are typical for 10Ks.4 years, 316 finishers; men and women compared separately.

Year	Event	Finishers	Median	Men	Women
2026	Half Marathon · Half	107	2:07:58	2:07:31	2:09:39
2026	10K · 10K	78	1:02:10	53:17	1:03:34
2026	5K · 5K	143	38:44	35:32	41:17
2025	Half Marathon · Half	121	2:23:01	2:13:28	2:28:44
2025	10K · 10K	72	1:00:38	57:43	1:04:02
2025	5K · 5K	137	33:42	30:08	37:19
2024	Half Marathon · Half	71	2:12:06	2:08:06	2:16:22
2024	10K · 10K	72	1:03:13	58:56	1:04:56
2024	5K · 5K	119	37:41	31:44	40:24
2023	Half Marathon · Half	73	2:07:04	2:03:02	2:12:04
2023	10K · 10K	94	1:02:42	57:25	1:05:54
2023	5K · 5K	87	34:13	31:15	35:06

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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