Ozark Foothills Endurance Runs

April 9th 2027
Wildwood, MO
50 KM | 50 KM | 50 Miles | 100 KM | 100 Miles

Ozark Foothills Endurance Runs - Hosted each spring at Greensfelder County Park in Wildwood, Mo., this race offers 100 Mile, 100K, 50 Mile, 50K, Night-50K, Marathon, 25K, 25K RUCK and 1Mi Kids Fun Run distance options. This is a looped course that utilizes some of the region's top-rated trails, varying terrain that rages from steep grade to rolling hills with a mix of roots and rocks to keep you present.

Come run the scenic and technical terrain laying at the foothills of the gently rolling Ozark Mountain range. 
More than 80 percent single-track trails.

Upcoming Races

Apr 10 2027
50 KM (Day)
The 50K distance comprises of two loops (25K X 2) connecting Deer Run, Eagle Valley, Beulah, Fossil Ridge, DeClue and Dogwood trails at Greensfelder Park. The two loops (25K X 2) have a cumulative elevation gain of 3,400 feet. The course offers a challenging terrain ranging from steep grade to rolling hills, rocks, roots and creek crossings that will make for a fairly technical loop course.
3,400 3,400 ft.
Multiple Loop
3 Aid Stations
12:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Apr 9 2027
50 KM (Night)
The 50K distance comprises of two loops (25K X 2) connecting Deer Run, Eagle Valley, Beulah, Fossil Ridge, DeClue and Dogwood trails at Greensfelder Park. The two loops (25K X 2) have a cumulative elevation gain of 3,400 feet. The course offers a challenging terrain ranging from steep grade to rolling hills, rocks, roots and creek crossings that will make for a fairly technical loop course.
3,400 3,400 ft.
Multiple Loop
3 Aid Stations
12:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Apr 10 2027
50 Miles
The 50Mi distance comprises of two loops of the Marathon course (26.2-ish Miles X 2) connecting Deer Run, Eagle Valley, Mustang, Beulah, Fossil Ridge, DeClue, Round House, Spur Trail, Green Rock and Dogwood trails at Greensfelder Park. The two loops (26.2-ish Miles X 2) have a cumulative elevation gain of 7,000 feet. The course offers a challenging terrain ranging from steep grade to rolling hills, rocks, roots and creek crossings that will make for a fairly technical loop course.
7,000 7,000 ft.
Multiple Loop
5 Aid Stations
30:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Apr 10 2027
100 KM
The 100K distance comprises of three loops connecting Deer Run, Eagle Valley, Mustang, Beulah, Fossil Ridge, DeClue and Dogwood trails at Greensfelder Park. The two loops (21.0-ish Miles X 3) have a cumulative elevation gain of 8,100-ish feet. The course offers a challenging terrain ranging from steep grade to rolling hills, rocks, roots and creek crossings that will make for a fairly technical loop course.
8,100 8,100 ft.
Multiple Loop
4 Aid Stations
32:00 Cutoff
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
Apr 10 2027
100 Miles
The 100Mi distance comprises of four loops of the Marathon course (26.2-ish Mi loop X 4) connecting Deer Run, Eagle Valley, Mustang, Beulah, Fossil Ridge, DeClue, Round House, Spur, Green Rock and Dogwood trails at Greensfelder Park. The four loops (26.2-ish Miles X 4) have a cumulative elevation gain of 14,000-ish feet. The course offers a challenging terrain ranging from steep grade to rolling hills, rocks, roots and creek crossings that will make for a fairly technical loop course.
14,000 14,000 ft.
Multiple Loop
5 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

26.2 Miles 25 KM

Results

Date Finishers Top Result (F) Top Result (M)
04/11/26 17 12:34:16 11:41:52
04/05/25 10 20:25:15 13:16:49
04/06/24 9 12:00:42 15:03:36
Date Finishers Top Result (F) Top Result (M)
04/11/26 4 26:53:51
04/05/25 1 32:59:29
04/06/24 11 26:53:51 20:42:22
04/15/23 5 26:24:09 24:42:01
04/09/22 7 25:06:38 19:28:16
04/10/21 7 25:45:32 21:29:19
05/24/20 Race Cancelled
Date Finishers Top Result (F) Top Result (M)
04/11/26 32 12:14:15 10:32:16
04/05/25 14 13:22:46 9:27:52
04/06/24 33 11:53:24 9:33:59
04/15/23 21 12:42:51 8:30:11
04/09/22 34 10:46:55 9:27:13
04/10/21 47 9:46:11 8:18:28
05/24/20 Race Cancelled
04/06/19 22 10:49:51 7:17:47
Date Finishers Top Result (F) Top Result (M) Top Result (X)
04/11/26 (Night) 10 9:19:21 6:40:20
04/11/26 (Day) 53 6:41:45 4:05:01 10:33:21
04/05/25 (Night) 8 11:26:17 6:21:21
04/05/25 (Day) 43 6:15:26 4:47:27
04/06/24 (Night) 6 9:04:20 7:01:16
04/06/24 (Day) 45 5:31:29 5:18:24
04/15/23 (Night) 13 9:45:24 6:43:41
04/15/23 (Day) 42 6:13:55 4:18:35
04/09/22 (Night) 2 6:21:31
04/09/22 (Day) 43 6:16:06 5:04:00
04/10/21 (Night) 21 8:37:24 6:48:47
04/10/21 (Day) 78 6:02:23 4:38:20
05/24/20 Race Cancelled
04/06/19 68 5:25:50 4:39:14
04/07/18 59 5:50:08 4:36:08
04/08/17 50 5:52:25 4:35:35
04/09/16 46 5:50:28 4:07:39
04/11/15 41 6:21:46 4:49:42

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