🧭 2024 Trail Explorer Series is here!
Join us at 10:00 am throughout the summer to explore some new trails. Anyone can participate! April 13 – Griffin Bike Park May 11 – Starkey Park June 8 – Nebo Ridge July 13 – Cowles Bog August 10 – Read More
Weekly Group Runs!
Tuesday’s: 1️⃣ Eagle Creek Park at 6:15pm (meet in the beach parking lot – look for Tom) 2️⃣ Griffy Run – Bloomington at 6:00pm (meet in the Griffy boat house parking lot – look for Benny) Wednesday’s: 1️⃣ Fort Harrison State Park at 6:15pm (meet Read More
Hawthorn Half Day Relay & Ultra!
Come out to the Hawthorn Half Day Relay and Ultra on May 27, 2023!
Winter Trail Run-N-Fun! ❄️
Join ITRA on February 11, 2023, for our annual Winter Trail Run-N-Fun! Hot, cold, wet, or dry, we will be hitting the trails at Yellowwood State Forest to cure the winter blues by logging in some miles on sweet single Read More
The Tecumseh Trail Challenge is Coming…
The weather has shifted, so that means it’s about time for The Tecumseh Trail Challenge! This is one of our favorite fall events – we know you don’t want to miss it. The Tecumseh Trail Challenge is being held: Saturday, October 22, 2022 Link Read More
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
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 22 – OPSF 50/50 Training Run Read More