Flatrock 50K

Race completed

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.

37.2242° N, 95.7083° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~21 Small. Long stretches with nobody in sight.

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, September

Daytime high 28°C

Night low 16°C

Rainfall Showers likely

Daylight 12 h 03 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 252 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	21	Creston Cantwell · 05:54:43	Amber Pond · 07:41:20
2025	50km	32	Jackson Caldwell · 04:49:05	Melissa Bailey · 07:45:04
2025	50km	7	Dustin Birdsong · 07:11:00	Jana Robertson · 08:49:27
2024	50km	42	Derek Taussig · 05:23:11	Jill Hughes · 06:25:23
2023	50km	50	Kendall Parks · 05:20:27	Amy Nichols · 07:28:20
2022	50km	47	Brant Littrell · 05:00:36	Amber Montgomery · 06:26:12
2021	50km	67	Makai Clemons · 04:03:05	Mindy Coolman · 06:33:02
2021	50km	28	Jeffrey Kern · 05:30:15	Kristen Currie · 06:29:53
2019	50km	104	David Box · 05:19:47	Mel Fuller · 07:05:50
2018	50km	73	Cody Jones · 04:08:12	Renita Kallevig · 05:36:49

The field shrank 34% between 2025 (32) and 2026 (21). 38% 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.

The Aid Station

Course-specific beta from the community

👟 gear

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

By UltraHub Expert

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.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 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