Sunday, April 11, 2027Arvada, CO

Spring Fling Prairie Dog Half, 10k, & 5k

3 events

Half MarathonHalfRoadStarts 8:00 AM
5k5KRoadStarts 8:30 AM
10k10KRoadStarts 8:30 AM

Half MarathonHalfRoadStarts 8:00 AM
5k5KRoadStarts 8:30 AM
10k10KRoadStarts 8:30 AM

Location

Approximate, from the race's ZIP code.

Typical race-day weatherIdeal weather · 92/100

High / low: 60° / 32°F; 16° / 0°C
Humidity: 48%; Dew point 24°F
Chance of rain: 28%
Wind: 9 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.4 years, 633 finishers; men and women compared separately.
Typical timesFinish times are typical for 10Ks.4 years, 424 finishers; men and women compared separately.
Typical timesFinish times are typical for half marathons.4 years, 378 finishers; men and women compared separately.

Year	Event	Finishers	Median	Men	Women
2026	Half Marathon · Half	72	2:16:08	2:03:35	2:18:58
2026	10k · 10K	84	1:03:28	57:08	1:08:22
2026	5k · 5K	162	36:49	33:57	38:38
2025	Half Marathon · Half	74	2:17:45	2:08:46	2:30:34
2025	10k · 10K	97	1:05:39	1:00:42	1:07:44
2025	5k · 5K	170	38:16	32:51	40:49
2024	Half Marathon · Half	137	2:11:22	2:04:52	2:15:25
2024	10k · 10K	147	1:05:57	1:01:41	1:08:57
2024	5k · 5K	169	35:15	32:13	36:45
2023	Half Marathon · Half	95	2:02:07	1:52:00	2:10:42
2023	10k · 10K	96	1:09:06	58:44	1:10:33
2023	5k · 5K	132	35:11	31:58	37:09

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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