Logo

OPSF 50/50 Trail Race

Poland, United States • 21 Mar 2026

The OPSF 50/50 Trail Race is a popular running event held in Owen-Putnam State Forest, Indiana, organized by the Indiana Trail Running Association. Participants can choose from various distances, including a 50-mile race, a 50K, a 14-mile run, and a 10K trail race. The course features predominantly single-track trails and is known for its challenging terrain.

This event emphasizes sustainability, as it is a cup-less race, requiring runners to carry their own water. Registration is available online, and participants receive a shirt and awards for finishers. The event fosters a community spirit and showcases the beauty of Indiana's trails. Visit the organization's website for the most recent information.

United States Indiana Poland

Race information

Website Registration
50 mi
50m
50 km
50k
14 mi
14 Miler
10 km
10k Trail Race
Visit the organization's website for the most recent information.
Trail runs nearby

The Wabash Valley Road Runners - Swamp Stomp

Terre Haute - 25 mi from Poland

The Wabash Valley Road Runners - Swamp Stomp is an annual running event taking place in Terre Haute, Indiana, featuring a 5-mile run, a 4-mile walk, and a 1-mile fun run. Set in the scenic trails of Hawthorn Park, participants can expect a well-marked course with ample volunteer support. The event e..

Hawthorn Half Day

Terre Haute - 25 mi from Poland

The Hawthorn Half Day Relay & Ultra is an exciting endurance event taking place in Terre Haute, Indiana, established in 2006. Participants can choose between 6-hour and 12-hour races, with options for solo runners, teams of various sizes, and walkers. The course features a scenic 5K loop of trail an..

MoMoFo100k

Martinsville - 28 mi from Poland

The MoMoFo100k and 20 Mile Fun Run is an exciting running event taking place in Martinsville, Indiana, featuring both in-person and virtual options. Participants can choose between a challenging 100 km trail race and a 20-mile fun run, set against the scenic backdrop of Morgan Monroe State Forest. T..

Vulture Vista Ultra

Greencastle - 14 mi from Poland

The Vulture Vista Ultra is an exciting running event set to take place at DePauw Nature Park in Greencastle, Indiana. This year, the event features multiple challenges, including 6-hour and 12-hour solo and relay races, as well as a 4.5-mile challenge designed for runners of all abilities. Participa..

Dino- Griffin 10K Bonus Run

Terre Haute - 25 mi from Poland

The Griffin 10K Bonus Run is an exciting trail running event scheduled for August 2, 2025, at Griffin Bike Park in Terre Haute, Indiana. Participants will tackle a two-lap course around Stryker Lake, featuring moderate terrain with rolling hills and stable footing. This race offers a unique opportun..

FroMoMoFo 20 Miler

Martinsville - 28 mi from Poland

The FroMoMoFo 20 Miler and 10 Mile Fun Run is an exciting winter trail running event taking place at the Morgan Monroe State Forest in Martinsville, Indiana. Participants can choose between a 20-mile run, which consists of two loops of the scenic Three Lakes loop trail, or a 10-mile run with one loo..