Trail Running calendar near Ames 2026-2027

A 48 hour endurance event at Big Woods Campground in Cedar Falls, IA with solo and 2 to 4 person relay options. Runners complete 4 miles every four hours, with on course food, water, participant sweatshirts, and finisher medals.

A fall trail race in Brown's Woods, West Des Moines, offering 5K, 10K and 15K looped courses on single and double track dirt. Proceeds support local trail stewardship groups.

The Iowa Trail Run Series: Whiterock takes place November 7, 2026 at Whiterock Conservatory in Coon Rapids, Iowa. Offered distances include 5K, 10K, a half marathon and a new 30K option, with registration opening November 11, 2025.

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 in Granger, Iowa offering 10 Mile, 50K, 50 Mile and 100 Miler options. The race is cupless, includes shirts and medals, and the longer distances are UTMB index races.

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, run on single-track dirt along the Des Moines River. It features rolling terrain, river views, varied winter conditions, and a 300-runner entry cap.