Trail Running calendar near Eldridge 2026-2027

A grassroots multi-distance trail event in Dixon, IL using a roughly 7.85 mile loop for 25K, 50K, 100K, and 100 mile races, with mixed singletrack, meadow and gravel terrain, two aid stations, crew access, and pacer allowances.

Trail races at Swiss Valley Nature Preserve in Peosta, Iowa offer looped 5.2 mile, 25k and 50k options across rugged terrain with creek crossings, notable climb, free camping, showers and shuttle service.

Point to point all trail ultramarathon along the Hennepin Canal State Trail in northwest Illinois. Distances include 100 mile, 100 mile team relay, 50 mile and 50k with aid stations every 3 to 7 miles and a 30 hour Western States cutoff.

Experience a chip timed 5k trail run through the diverse terrain and scenic landscapes of Oakdale Nature Preserve. All proceeds support local park projects and trail maintenance.

Trail ultramarathons in Dubuque featuring a marked ~20 mile loop with options for a 100 mile five loop race or a 100 kilometer three loop race, varied terrain, and significant elevation gain.

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.