Pilot Point, TX, United States · Saturday, December 5, 2026

Fixed Distance 50K

Isle du Bois Trail Run

66 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.

33.3965° N, 96.9606° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 9 hours 10:48 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 71% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~33 Small. Long stretches with nobody in sight.

DUV results for the 2025 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, December

Daytime high 12°C

Night low 1°C

Rainfall Mostly dry

Daylight 10 h 04 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 212 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	33	George Stahle · 04:56:28	Ryan Rowan · 07:04:20
2024	55km	37	Zach Gingerich · 05:05:24	Stefanie Flippin · 05:28:46
2023	55km	42	Bobby Eshleman · 05:18:44	Emily Hill · 06:36:38
2022	55km	19	Dylan Weidner · 05:22:17	Phoebe Harbour · 07:21:01
2019	55km	14	Erik Waldorff · 05:42:12	Shellene McKenney · 07:55:03
2018	55km	23	Erik Archer · 05:34:32	Jourdan Esquenazi · 06:55:03
2017	55km	19	Lowell Koppel · 06:08:37	Regina Kaplan-Rakowski · 06:28:50
2016	55km	43	Eric Gilbertson · 04:59:22	Julie Blackwell · 06:30:12
2015	52km	48	Gono Enriquez · 04:27:45	Joannah (Josie) Graham · 06:41:43
2014	55km	46	Timothy Jagoda · 05:01:23	Nicole Studer · 04:38:57

The field shrank 11% between 2024 (37) and 2025 (33). 15% of the 2025 field were women.

DUV results for the 2025 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

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Skratch Labs