Saturday, August 7, 2027Arvada, CO

All-Out Runapalooza

3 events

Half MarathonHalfRoadStarts 7:00 AM
10K10KRoadStarts 7:35 AM
5K5KRoadStarts 7:45 AM

Half MarathonHalfRoadStarts 7:00 AM
10K10KRoadStarts 7:35 AM
5K5KRoadStarts 7:45 AM

Location

Approximate, from the race's ZIP code.

Typical race-day weatherFair weather · 61/100

High / low: 88° / 61°F; 31° / 16°C
Humidity: 43%; Dew point 46°F
Chance of rain: 39%
Wind: 7 mph; Average

Usually warm for a half marathon: about 70°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

5% fasterFinish times are typically 5% faster than at other 5Ks.4 years, 553 finishers; men and women compared separately.
Typical timesFinish times are typical for half marathons.4 years, 401 finishers; men and women compared separately.
Typical timesFinish times are typical for 10Ks.4 years, 327 finishers; men and women compared separately.

Year	Event	Finishers	Median	Men	Women
2026	Half Marathon · Half	109	2:09:44	1:59:30	2:20:31
2026	10K · 10K	112	1:04:58	55:54	1:07:10
2026	5K · 5K	207	37:34	34:49	38:52
2025	Half Marathon · Half	101	2:08:57	1:59:36	2:17:00
2025	10K · 10K	89	1:03:22	58:03	1:05:58
2025	5K · 5K	137	35:33	31:08	36:45
2024	Half Marathon · Half	90	2:17:06	1:58:57	2:26:18
2024	10K · 10K	65	58:31	56:29	1:00:55
2024	5K · 5K	126	32:27	31:49	33:24
2023	Half Marathon · Half	101	2:08:52	1:55:41	2:20:38
2023	10K · 10K	61	1:01:24	51:29	1:06:58
2023	5K · 5K	83	32:26	28:21	34:50

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.

More races nearby

All within 25 mi →