Sunday, April 25, 2027Denver, CO

DoNot Stop Half Marathon/5K/10K - Denver

5 events

Kid's Dash50 mRoadStarts 8:00 AM
1 Mile1 miRoadStarts 8:00 AM
5K5KRoadStarts 8:00 AM
10K10KRoadStarts 8:00 AM
Half MarathonHalfRoadStarts 8:00 AM

Kid's Dash50 mRoadStarts 8:00 AM
1 Mile1 miRoadStarts 8:00 AM
5K5KRoadStarts 8:00 AM
10K10KRoadStarts 8:00 AM
Half MarathonHalfRoadStarts 8:00 AM

Location

Approximate, from the race's ZIP code.

Typical race-day weatherIdeal weather · 91/100

High / low: 63° / 35°F; 17° / 2°C
Humidity: 50%; Dew point 28°F
Chance of rain: 35%
Wind: 8 mph; Average

Rain on about 35% 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% slowerFinish times are typically 5% slower than at other 5Ks.3 years, 498 finishers; men and women compared separately.
7% slowerFinish times are typically 7% slower than at other 10Ks.3 years, 201 finishers; men and women compared separately.
6% slowerFinish times are typically 6% slower than at other half marathons.2 years, 115 finishers; men and women compared separately.

Year	Event	Finishers	Median	Men	Women
2026	Half Marathon · Half	41	2:17:19	2:12:56	2:27:46
2026	Running Buddy Half Marathon · Half	1	2:21:52	—	—
2026	10K · 10K	70	1:09:32	1:07:00	1:12:54
2026	5K · 5K	164	42:36	38:30	46:02
2025	Half Marathon DEN · Half	74	2:17:35	2:04:14	2:28:58
2025	10K DEN · 10K	86	1:03:20	1:01:16	1:04:41
2025	5K DEN · 5K	214	38:40	35:08	39:28
2024	10K · 10K	45	1:06:03	1:04:48	1:08:24
2024	5K · 5K	120	34:12	32:42	34:57

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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