Trail Running Calendar Illinois 2026-2027

Embrace an autumn adventure at the Big Timber XC Challenge, a trail run featuring a famous creek crossing through the woods of Camp Big Timber. Choose between a 3-mile or 5-mile course on grass and gravel paths. All runners get a shirt and..

Experience the variable terrain of the historic Lemont Quarries at this multi distance trail festival featuring laps of single track and gravel paths ranging from 10K to 60K.

Run on the fast, scenic Tunnel Hill State Trail in Illinois. This event offers a 100-mile, 100 km, USATF 50-mile championship, 50-mile, and marathon distances on a gentle grade. It's a record-setting course known for its historic tunnel and..

Celebrate Thanksgiving with a 2 mile run through the wooded trails of Sheffield Illinois. Wear your best holiday costume for a chance to win prizes at this untimed community event.

Experience a cross country style trail race through the Timber Pointe Nature Center at Lake Bloomington. Choose between 4K and 8K loops or a three hour endurance challenge while supporting local nature conservation.