Pinckney, MI, United States · Saturday, September 12, 2026

Fixed Distance 50K

Run Woodstock - Freak 50 km

Race completed
50 km Distance
800 m Climbing
3.7 Grit · Challenging
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42.4570° N, 83.9479° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 16 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 15 hours 18:00 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 50K cut-offs we track. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~202 Large. Rarely out of sight of another runner.

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, September

Daytime high 24°C
Night low 12°C
Rainfall Mostly dry
Daylight 12 h 42 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 267 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 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 with 800 m of ascent.

  • Trail Running Shoes50 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition50 km of self-supported fuelling between aid stations.
  • Hydration VestsFlask capacity for 50 km, without the bounce.
  • HeadlampsA 15 h limit puts you out there after dark.
  • GPS WatchesBattery 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

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 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

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8
All gear guides →

Course Notes

The course is repeat 16.6-mile loops comprising mostly of single track trail, a couple of miles of gravel road, and the remain­der on a mix­ture of horse trail and rail trail. 400m elevation gain/loss per loop.

Similar races

Other 50K trail ultras, closest in distance first.