Trail Running calendar near Oxford 2026-2027

A charity running event in Solon, Iowa featuring a timed 5K and a Monster Mile, with all proceeds to the Arthritis Foundation to support pediatric rheumatic disease awareness.

Trail 100 mile and 100K races in Dubuque, Iowa on a multi-loop marked course through the Mines of Spain Recreation Area, featuring varied terrain, river views, and substantial loop-based elevation. Organized by Sun Trail Running.

A 48-hour endurance event at Big Woods Campground in Cedar Falls, Iowa, featuring 4-mile legs every 4 hours, individual and 2-4 person relay options, on-course aid, race sweatshirts, and medals for finishers.

Trail races at Geode State Park in Danville, IA on October 17, 2026 with 5K, 12K and 25K options over varied terrain. All finishers get a geode and handmade plaques are awarded to distance winners.

Miner 49er in Dubuque, IA is a trail endurance event at the Mines of Spain offering 25K and 50K routes with single track, scenic river views, stone steps, stream crossings, three aid stations, and a 5pm cut off.

A Backyard Ultra in Colona, IL where runners repeat a single *4.17m* loop each hour until they stop. The course is mostly flat with one ravine hill and offers parking and space to camp.

A Backyard Ultra in Delmar IA on November 13, 2026 where runners complete a 4.16 mile loop each hour until one remains. Participants receive a 10x10 foot camp space, may bring 1 to 3 crew members, and registration is capped at 250.

A six hour endurance trail run on a 1.2 mile hilly loop in Pinicon Ridge Park near Central City IA, featuring climbs, stairs, on course food and drinks, a long sleeve race shirt, lodge space for drop bags, and awards for 24 loops or more.

A semi self supported 200 mile point to point race in Iowa, mostly on paved trails closed to motor vehicles. The course runs from Marshalltown to Jefferson, offers seven aid and sleep stations, and features live GPS tracking.