Sunday, April 25, 2027Janesville, WI

Run the Rock

5 events

Run the Rock Full MarathonMarathonRoadStarts 7:00 AM
Run the Rock 1/2 MarathonHalfRoadStarts 7:15 AM
Run the Rock 10K10KRoadStarts 8:00 AM
Run the Rock 5K5KRoadStarts 8:00 AM
2 Mile Family Run/Walk - untimed2 miRoadStarts 8:15 AM

Run the Rock Full MarathonMarathonRoadStarts 7:00 AM
Run the Rock 1/2 MarathonHalfRoadStarts 7:15 AM
Run the Rock 10K10KRoadStarts 8:00 AM
Run the Rock 5K5KRoadStarts 8:00 AM
2 Mile Family Run/Walk - untimed2 miRoadStarts 8:15 AM

Location

Approximate, from the race's ZIP code.

Typical race-day weatherGood weather · 83/100

High / low: 60° / 38°F; 16° / 4°C
Humidity: 77%; Dew point 42°F
Chance of rain: 42%
Wind: 12 mph; Average

Rain on about 42% of days around this date.
Often windy: about 12 mph on average.

Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.

Past results

4% fasterFinish times are typically 4% faster than at other half marathons.4 years, 272 finishers; men and women compared separately.
6% fasterFinish times are typically 6% faster than at other 5Ks.4 years, 221 finishers; men and women compared separately.
5% fasterFinish times are typically 5% faster than at other 10Ks.3 years, 166 finishers; men and women compared separately.
12% fasterFinish times are typically 12% faster than at other marathons.1 year, 26 finishers; men and women compared separately.

Year	Event	Finishers	Median	Men	Women
2026	Run the Rock Full Marathon · Marathon	26	4:17:04	3:45:25	4:29:35
2026	Run the Rock 1/2 Marathon · Half	108	2:09:06	1:57:34	2:14:59
2026	Run the Rock 10K · 10K	67	57:59	53:42	1:04:36
2026	Run the Rock 5K · 5K	57	32:03	30:24	34:42
2025	Run the Rock Full Marathon · Marathon	15	4:27:09	4:20:51	5:07:06
2025	Run the Rock 1/2 Marathon · Half	81	2:02:00	1:52:48	2:16:03
2025	Run the Rock 10K · 10K	61	1:00:54	53:34	1:04:44
2025	Run the Rock 5K · 5K	50	33:40	29:35	34:51
2024	Run the Rock Full Marathon · Marathon	12	4:05:07	3:58:24	—
2024	Run the Rock 1/2 Marathon · Half	47	2:06:46	2:06:38	2:09:30
2024	Run the Rock 10K · 10K	38	1:02:22	59:04	1:05:26
2024	Run the Rock 5K · 5K	57	34:14	30:00	36:00
2023	Run the Rock Full Marathon · Marathon	10	3:49:08	3:32:27	—
2023	Run the Rock 1/2 Marathon · Half	36	2:08:32	1:58:18	2:10:09
2023	Run the Rock 10K · 10K	16	55:56	52:45	1:07:34
2023	Run the Rock 5K · 5K	57	37:13	27:51	43:13

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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