Trail Running calendar near Bertram 2025-2026

Event details The Backbone Trail Run takes place on 2025-10-11 in Backbone State Park, Dundee, IA. The event is organized by Backbone Lake Friends / Backbone Friends Group. Race categories and distances listed on the event page include: 4...

Bone Dash 5K & Monster Mile Fun Run takes place at Lake McBride Trail and Timber Dome Lodge in Solon, Iowa. The event offers two races: a Bone Dash 5K and a Monster Mile one-mile run. The courses start together at Timber Dome Lodge; 5K runn..

Mines of Spain 100, held in Dubuque, Iowa, offers 100-mile and 100-kilometer ultramarathons on October 17-18, 2025. Set in the driftless region’s bluffs, prairies and forests above the Mississippi River valley, it delivers a true Midwest tr..

Event format Meyerhoff's Mayhem is a 48-hour endurance event featuring repeated short legs. Participants complete 4 miles every four hours for the 48-hour period, with an optional 2-mile add-on after the final leg. 4 miles repeated every 4..

Hit scenic, rugged trails at Geode State Park near Danville, IA on Oct 18, 2025, with 5K, 12K and 25K courses featuring single track, rock, sand and creek crossings. All finishers get a geode and winners earn handmade wood and geode plaques..

Event The Miner 49er endurance runs take place on Saturday, November 8, 2025, in Dubuque, Iowa at the Mines of Spain area (8991 Bellevue Heights Rd). Distances offered: 25K 50K Registration closes on October 31, 2025. Race registration fe..

Event Woodpecker Six is a six hour endurance run organized by LoKeyz Trail Runners. It takes place on Saturday, November 8, 2025, in Central City, Iowa (4732 Horseshoe Falls Rd). The format asks participants to complete as many loops of the..

Event details The Critter is set for Wednesday, December 31, 2025, at 2482 Grand Ave, Waverly, IA, held at Ingawanis Adventure Base. Registration closes on December 28. Distances and options: 12-hour 8-hour 4-hour 10K (single loop) Timed..

Event overview Loud Thunder 50 is a trail race day on April 18, 2026 at Loud Thunder Forest Preserve, Illinois City, IL. The start/finish area is at the Horse Corral Campground (park address: 19408 Loud Thunder Rd). The event offers the fol..

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..