Winter Run N Fun
Join ITRA on Saturday, February 12 from 10 am – 2 pm for our annual Winter Run N Fun at Yellowwood State Forest. Whether it’s 5 degrees or 55 degrees, we will be hitting the trails at Yellowwood State Read More
OPSF 50|50
On March 26, 2022 ITRA will be hosting OPSF 50│50 at Owen-Putnam State Forest, just an hour west of Indianapolis. Known as “The Toughest Race in Indiana”, OPSF 50│50 includes a challenging 14 mile “fun run”, 50k, and 50 miler. Read More
OPSF 50|50 – March 27, 2021 – Runners & Volunteers Wanted
On March 27, 2021, ITRA will once again present the OPSF 50|50 at Owen-Putnam State Forest in Poland, Indiana. Billed as “The Toughest Race in Indiana,” the OPSF 50|50 this year includes a 50K race and a 14-mile “fun run” Read More
The OPSF 50|50 Documentary
The Indiana Trail Running Association is proud to direct the OPSF 50|50 races. During the 2019 event, Ryan Clayton, a runner and filmmaker, decided to make our race the subject of his latest project. Ryan’s work is now available. Titled, Read More
Indiana Trail Running Events
2026 September Sep 5 – End of Summer Members Only Event Sep 12 – Tecumseh Training Run #1 Sep 13 – Sorta Mountain Stage Race (Deam Lake) ITR Discount Available Sep 19 – Adventure Trail Ultras Race (O’bannon Woods ) ITR Discount Available Read More
2025 Events
January Jan 1 – First Day Trail Run (Monroe Lake) ✅ Jan 11 – FroMoMoFo 10 & 20 Mile Trail Fun Run ✅ Jan 25 – OPSF 50/50 Training Run #1 ✅ February Feb 15 – Winter Fun-N-Run ✅ Feb 16 – Read More