Trail Running calendar near Coralville 2026-2027

A trail running event at Backbone State Park in Dundee, Iowa, on Saturday, October 10, 2026, organized by Backbone Lake Friends, offering a 4.3 mile Original route and a 10K Lake Loop with stated difficulty levels.

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.

A roughly 20-mile loop trail ultrarun in Dubuque, IA used for both a five-loop 100-mile and three-loop 100k, featuring mixed terrain, significant elevation per loop, and river and bluff views.

A 48 hour endurance event at Big Woods Campground in Cedar Falls featuring repeated four mile legs every four hours and an optional two mile add on. Individual and two to four person relay entries run varied trails with aid stations offerin..

Trail races at Geode State Park with 5k, 12k and 25k options, two aid stations and water at the beach shelter. The event raises funds for the park's concession building and includes a race t-shirt; youth receive a discount.

Trail endurance runs in the Mines of Spain near Dubuque, IA offering 25K and 50K out-and-back courses with approximately 2200 and 4400 feet of elevation gain. Single-track, stone steps, stream crossings, and three aid stations.

A Backyard Ultra in Colona, Illinois on Nov 7, 2026, consisting of repeated 4.17 miles loops on a mostly flat course with one hill out of a ravine. Parking and camping space are available.

A backyard ultra in Delmar, IA where runners complete a 4.16 mile loop each hour until only one person remains. Participants receive a 10 by 10 foot camp space, may bring up to three crew members, and get a custom hockey sweater.

A six hour trail endurance run at Pinicon Ridge Park near Central City, IA featuring a 1.2 mile loop with steep climbs and stairs. Aid station food, a long sleeve race shirt, heated lodge space, and awards for high loop counts are provided.

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.