Johnson City, TX, United States · Saturday, April 25, 2026

Fixed Distance 100K

Desert Wolf 100km

Race completed

100 km Distance

not publishedn/a Climbing

5.0 est Grit · Challenging

Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.

30.2769° N, 98.4120° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 21 hours 12:36 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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. More forgiving than 80% of 100K races. Measured against 214 races of the same distance. Cut-off calculator →

Field size ~11 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 27°C

Night low 13°C

Rainfall Mostly dry

Daylight 13 h 10 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 327 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	100km	11	Brian Wickman · 14:42:54	Paige Halamicek · 17:40:47
2025	100km	18	Jason Powell · 12:18:41	Courtney Bouchard · 13:53:10
2024	100km	6	Ian Warner · 15:31:04	Nancy Marks · 21:01:57

The field shrank 39% between 2025 (18) and 2026 (11). 9% of the 2026 field were women.

DUV results for the 2026 edition (100km) — 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

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail.

Trail Running Shoes 100 km of trail — cushioning that is still there in the last quarter.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Flask capacity for 100 km, without the bounce.
Headlamps A 21 h limit puts you out there after dark.
Accessories Chafe and blisters end more 100 km races than fitness does.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

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

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

Darn Tough

Micro Crew Ultra Running

Merino wool trail running socks with lifetime warranty. Blister-resistant.

$23 ★★★★★ 4.7

All gear guides →

Overview

The Desert Wolf 100km, a trail race put on by Texas Outlaw Running, is a smaller event, with a field size larger than only 20% of 100k races. Its 21-hour time limit means a cutoff pace of 12.6 minutes per kilometer, making it tighter than 19% of 100k races.

The course at Flat Creek Crossing Ranch near Johnson City, TX, features dirty and rocky single and wide track trails. Runners will encounter 1400 feet of elevation gain per 15-mile loop.

Similar races

Other 100K trail ultras, closest in distance first.