OPSF50|50 takes place on Mar 21, 2026. That's in 3 weeks.

Where is OPSF50|50 located?

OPSF50|50 is held in Poland, Indiana, United States.

What distances are available at OPSF50|50?

OPSF50|50 offers the following distances: 50M, 50K, 14M.

What is the typical weather for OPSF50|50?

Based on historical data, you can expect temperatures between 34°F and 56°F on race day. There's approximately a 18% chance of precipitation.

OPSF50|50 (14M-50M) - Mar 21, 2026 | Poland, IN

Prepare for an unparalleled challenge at the OPSF50|50 on March 21, 2026, held within the rugged beauty of Owen-Putnam State Forest in Poland, IN. Offering distances of 50M, 50K, and 14M, this event proudly holds the reputation as "Indiana's toughest trail race". Runners will navigate a seriously hilly course, with the 50-mile race boasting over 6,500 feet of elevation gain, and the 50K tackling over 4,500 feet. The terrain consists of approximately 90% single-track and horse trails, intermixed with fire road sections, ensuring a constantly engaging and demanding experience. Be prepared for rugged conditions and the likelihood of significant mud, a notorious feature of this early spring race.

The OPSF50|50 unfolds along a "lollipop-shaped" route, starting and finishing at the Horse Campground. As you push your limits, you'll be immersed in the natural splendor of a 6,500-acre forest, home to diverse wildlife like deer, raccoon, turkey, and fox, with scenic views including a 50-foot sandstone bluff. Aid stations, including "Aid Station A" and "Aid Station B", are strategically placed along the course to support your journey, though runners should note this is a cupless event and must carry at least 20 oz of water capacity. Historical weather for late March suggests typical race day conditions with highs around 56°F and lows around 34°F, with an 18% chance of precipitation; however, Indiana springs are known for their variability, so preparation for anything from dry trails to a wintery mix is advised.

This low-key event, organized by the non-profit Indiana Trail Running Association, is more than just a race; it's a long-standing Indiana tradition designed to test your mental and physical fortitude while fostering a strong sense of community. Past participants rave about the supportive staff who often know runners by name, adding a significant morale boost on such a challenging course. Whether you're aiming for an ultra-distance finish or taking on the formidable 14-miler, the OPSF50|50 promises an unforgettable trail running adventure.