Cool Moon Trail Runs

June 13th 2026
Cool, CA
50 Miles | 100 KM | 100 Miles

The course consists of a 13.5-mile loop and an 11.5-mile loop, upon which runners will alternate. Each runner will complete (4) 13.5-mile loops and (4) 11.5-mile loops to achieve the 100-mile distance. Runners will start North on a 13.5-mile, counter-clockwise loop from Cool Firehouse, head west to Pig Farm and Salt Creek, south toward the American River and back into Cool. Next, they will follow an 11.5-mile loop from Cool Firehouse South toward Northside School, to Knickerbocker, to the Rim Trail, past the radio towers, back to Northside School and Knickerbocker, and back to Cool. This course is not easy, do not take it lightly. The course consists of single track and fire roads.

13.5-mile Loop elevation approximately 2200′
11.5-mile Loop elevation approximately 1150′

100-miler total elevation gain/loss approximately 13,600 feet.

Upcoming Races

Jun 13 2026
50 Miles
8,000 8,000 ft.
Multiple Loop
35:00 Cutoff
2 Elevation Rating
Rolling, ~2500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Jun 13 2026
100 KM
9,150 9,150 ft.
Multiple Loop
37:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Jun 13 2026
100 Miles
14,514 14,514 ft.
Multiple Loop
37:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts

Additional Distances

This event also has the following sub ultra distances

5 KM 25 Miles 13.5 Miles 11.5 Miles

Results

Date Finishers Top Result (F) Top Result (M)
06/14/25 37 23:44:24 19:36:08
06/10/23 27 25:12:07 19:24:45
06/11/22 17 29:50:05 21:49:27
08/08/20 20 25:13:08 23:02:45
08/10/19 15 27:15:48 21:14:12
08/11/18 5 35:08:00 26:23:00
08/12/17 3 25:58:00
08/13/16 4 29:47:00 24:58:00
08/08/15 13 28:49:51 22:41:12
08/09/14 5 32:58:54 27:32:41
08/03/13 4 25:51:35
08/04/12 11 30:41:00 22:58:00
Date Finishers Top Result (F) Top Result (M)
06/14/25 24 14:13:00 11:16:11
06/01/24 27 9:44:39 15:06:18
06/10/23 24 14:38:38 12:14:16
06/11/22 8 17:51:32 12:50:45
08/14/21 7 16:22:53 16:15:50
08/08/20 Race Cancelled
08/10/19 21 13:22:00 12:54:00
08/11/18 17 16:14:00 15:35:00
08/12/17 7 21:38:00 16:03:00
08/13/16 3 14:23:00 13:20:00
08/08/15 7 15:48:39 12:16:59
Date Finishers Top Result (F) Top Result (M)
06/14/25 37 11:27:58 10:20:15
06/01/24 14 12:30:38 8:11:34
06/10/23 29 9:03:39 8:41:44
06/11/22 19 10:09:13 8:36:10
08/14/21 17 10:44:20 12:15:18
08/08/20 Race Cancelled
08/10/19 30 10:33:00 8:19:00
08/11/18 19 12:27:00 11:45:00
08/12/17 15 12:45:00 10:35:00
08/13/16 17 12:01:00 9:45:00
08/08/15 17 9:40:40 9:31:12
08/09/14 20 11:08:49 9:19:19

6 Hours

Date Finishers Top Result (F) Top Result (M)
08/03/13 5 31.1 38.7
08/04/12 2 24.5 30

12 Hours

Date Finishers Top Result (F) Top Result (M)
08/03/13 5 34 49.15
08/03/13 9 41.6 47
08/04/12 16 60 60

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

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