OPSF 50/50 Trail Race

MAR
20
2027
Trail races in Owen Putnam State Forest on March 20, 2027 featuring 50 mile, 50K, 14 mile and 10K distances on mostly single track with rolling hills.
Sat 20 Mar 2027
50 miles 50 kilometers 14 miles 10 kilometers

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OPSF 50|50 Trail Race

The event takes place on March 20, 2027 in Poland, IN, set in Owen Putnam State Forest with Horse Campground used as the Start/Finish area. The race is organized by OPSF 5050 and provided by the non-profit Indiana Trail Running Association.

Distances offered:

  • 50 mile
  • 50K
  • 14 mile
  • 10K trail race

The course is a lollipop design that uses mostly single track and horse trails with some fire road. Organizers describe roughly 90% single track with rolling hills and sections that can be more demanding. The 50 mile course follows the lollipop loop multiple times with an additional loop; the 50K follows the loop twice plus a short returning loop; the 10K is a single loop. Aid stations do not provide cups; participants must be able to carry 20 oz of water on their person at all times.

Weather in mid March can vary widely; past years have included winter storm conditions as well as mild dry days. Entry cost varies by distance with a listed price range of USD 48.50 to USD 120.65. Packet pick-up occurs before race day and there is same-day packet pick-up at the Start/Finish. Parking and shuttle arrangements are provided for the 14 mile and 10K fields with a designated parking location at the Owen County Family YMCA; 50 mile and 50K participants park at Horse Campground.

Camping at Horse Campground is available for a fee, first come basis, with limited sites. Entrants registered by March 1 receive event swag; age group awards and finisher medals are given to finishers. Visit the organization's website for the most recent information.

Events nearby

Timed six hour and twelve hour ultraloops plus a single 4.5 mile quarry loop at DePauw Nature Park, set on wooded trails and limestone cliffs.
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