Stillwater, OK, United States · Saturday, March 13, 2027

Fixed Distance 50K

The Mid South (Land Run) 55K Ultra Marathon

158 days away

50 km Distance

not publishedn/a Climbing

2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

36.1156° N, 97.0584° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~126 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, March

Daytime high 17°C

Night low 4°C

Rainfall Mostly dry

Daylight 11 h 49 m of light

Regional 2001-2020 average for March — NASA POWER, grid elevation 287 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	126	Eric London · 03:36:01	Molly Humes · 03:41:05
2025	50km	124	Aaron Taylor · 03:30:51	Sofie Schunk · 03:34:09
2024	50km	86	Cody Jones · 03:37:08	Taylor Somers · 03:34:31
2023	50km	76	Noah Gade · 03:03:39	Nicole Laughton · 04:06:16
2023	50km	65	Ryan Linden · 03:27:03	Sarah Waterman · 04:17:07
2020	50km	91	Chris Copeland · 03:33:18	Erin Wagner · 03:51:21
2019	50km	64	Eric London · 03:34:21	Jessica Berg · 04:14:22
2018	50km	59	Mark Schattenberg · 03:55:56	Jessica Berg · 04:13:17
2017	50km	71	Nick Seymour · 04:06:41	Jessica Berg · 04:38:39
2016	50km	31	Stormy Phillips · 04:21:17	Ruth Loffi · 05:28:55

The field has held steady: 124 in 2025, 126 in 2026. 36% of the 2026 field were women.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.

Gear for this race

Chosen for 50 km of trail.

Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 50 km, without the bounce.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Spring Energy