Trail Running Calendar Illinois 2025-2026

Run the Galena Sky Trail Race on May 16, 2026 at Chestnut Mountain, choosing four hour or eight hour timed formats on scenic looped trails with Mississippi River views. Rack up loops, earn a striking 3D Warrior finisher medal and enjoy a he..

Test your limits at Elsa Chicken Plucker Backyard Ultra in Willenborg Woods with an hourly loop through single track, grass trails and the Tunnel of Trees. Bronze Ticket can send you toward the Big Dog World Championship.

Shawnee Hills Trail Races take place at Camp Ondessonk in Ozark, Illinois, inside Shawnee National Forest. The event offers 100 Mile, 100K, 50K, Half Marathon, and a Night 50K, with pacers permitted for the 100-mile and 100K distances only...

Run technical trails and creek crossings at the GristMill Grind, a scenic 5K and 10K in Franklin Creek State Natural Area. Challenge the hills, chase custom awards and support the Franklin Creek Conservation Association.

Temptation 200 Ultras returns to Sand Ridge State Forest on September 5, 2026, with 200K, 50K and a playful Not At All Tempted 10K. Tackle the distance that suits you, camp at the start and finish, and earn buckles or a challenge coin.