Lake Murray Endurance Run

The Lake Murray Endurance Run will take place at Lake Murray State Park near Ardmore, Oklahoma. Lake Murray State Park is Oklahoma’s first and Largest State Park, with over 12,500 acres of forested rolling hills surrounding Lake Murray. The park has an extensive trail system that consists of over 30 miles of trail. The trails offer a wide variety of terrain ranging from simple and flat, to moderately difficult.

Upcoming Races

Oct 24 2026
50 KM
The course is 31.4 miles and is a combination of loop and out-and-back sections of trail. Each 31.4 mile “loop” has about 2500 feet of elevation gain.
2,400 2,400 ft.
Mixture
4 Aid Stations
24:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Oct 24 2026
100 KM
The course is 31.4 miles and is a combination of loop and out-and-back sections of trail run two times for a total of 62.8 miles. Each 31.4 mile “loop” has about 2400 feet of elevation gain for a total of around 4800 feet for the entire distance.
4,800 4,800 ft.
Mixture
4 Aid Stations
30:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Oct 24 2026
100 Miles
The course is 34.1 miles and is a combination of loop and out-and-back sections of trail run three times for a total of 102.3 miles. Each 34.1 mile “loop” has about 2500 feet of elevation gain for a total of around 7500 feet for the entire distance.
7,500 7,500 ft.
Mixture
18 Aid Stations
32:00 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

25 KM 5 Miles

Results

Date Finishers Top Result (F) Top Result (M)
10/25/25 32 6:15:35 5:10:22
10/26/24 24 4:54:21 5:51:24
10/28/23 32 6:38:32 5:15:53
10/29/22 37 6:35:37 5:03:32
10/23/21 35 5:05:11 5:57:11
10/24/20 Race Cancelled
10/26/19 19 8:09:09 4:57:42
Date Finishers Top Result (F) Top Result (M)
10/25/25 9 25:21:21 15:23:09
10/26/24 8 13:46:04 15:39:09
10/28/23 7 17:44:22 15:48:05
10/29/22 25 14:12:29 10:40:57
10/23/21 15 14:50:00 13:45:19
10/24/20 Race Cancelled
10/26/19 7 13:54:20 15:51:16
Date Finishers Top Result (F) Top Result (M)
10/25/25 6 31:53:17 22:17:27
10/26/24 14 29:27:59 20:10:29
10/28/23 3 27:40:52
10/29/22 15 22:50:49 19:13:31
10/23/21 1 25:41:54
10/24/20 Race Cancelled
10/26/19 3 23:32:15

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