Trail Running calendar near Marshalltown 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 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..

A fall trail race at Brown's Woods in West Des Moines offering 5K, 10K and 15K options on single and double track dirt. The looped course repeats the 5K loop for longer distances and proceeds support local trail stewardship.

Timed 6, 12 and 24 hour runs on a 1.905 mile lighted loop at Gray's Lake Park in Des Moines, with age and sex equalizer scoring, an aid station, indoor toilets, race shirts, and awards after the race.

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.

Born to Run 5K and 1 Mile Fun Run start at Confluence Brewing Company in Des Moines with chip timing and finish line video. Proceeds benefit Mary's Helping Hands and the event welcomes walkers, strollers and leashed dogs.

A trail endurance event at Jester Park, Granger, IA on November 21, 2026 offering 10M, 50K, 50M and 100M distances; the 50K, 50M and 100M are UTMB index races. Cupless aid stations, included shirt and medal, and pacer rules for the 100M.

Turkey Trails in Des Moines is an annual Thanksgiving themed running event on November 22, 2026 at Gray's Lake Park with on-site races from a kids dash to a half marathon and a virtual option. Features include chip timing, event shirts, med..

Sycamore 8 is a December trail race in Johnston, Iowa, that follows the Sycamore Trail along the Des Moines River. The route offers rolling single track, river views, variable winter conditions, and a field capped at 300 participants.

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.