Poland, IN, United States · Saturday, March 20, 2027

Fixed Distance 50K

OPSF Ultra 50 km Race

198 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.

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41.0242° N, 80.6148° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~34 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, March

Daytime high 8°C
Night low -3°C
Rainfall Mostly dry
Daylight 12 h 06 m of light

Regional 2001-2020 average for March — NASA POWER, grid elevation 332 m. Not a forecast.

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.

Brooks

Catamount 3

★★★★★ 4.5

Adidas

Terrex Speed Ultra

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7
All gear guides →

Course Notes

Set in Owen-Putnam State Forest and beginning at Horse Campground, the new start/finish location for 2018, runners traverse a 14 mile course consisting of 90% single track with a few sections of fire road.

Similar races

Other 50K trail ultras, closest in distance first.