Trail Running Calendar Iowa 2026-2027

Choose from a 50K, 25K or 5.2 mile loop through Swiss Valley Nature Preserve, featuring creek crossings, steep climbs and rugged single track. Proceeds support Friends of Dubuque County Conservation and free camping and showers are availabl..

Test your limits on the Mines of Spain 100 in Dubuque IA with 100 mile and 100 kilometer options on October 16, 2026. A roughly 20 mile loop reveals Mississippi River overlooks, prairies, hardwood forest and steep technical climbs.

Take on the Yippee Ki Yay Races in Council Bluffs on October 24, 2026, with 50K, half marathon and 10K on the scenic Wabash Trace rail trail. Enjoy aid stations, a 9 hour course time and a finisher hoodie while supporting the trail.

Discover the new Iowa Trail Run Series: Whiterock on November 7, 2026 at Whiterock Conservatory in Coon Rapids. Choose from 5K, 10K, half marathon or 30K on scenic conservation trails for a memorable fall run.

Celebrate turkey week with the Stuffed Turkey Endurance Races at Jester Park, offering 10M, 50K, 50M and a gritty 100M on rolling, all trail terrain. Expect friendly fall vibes, challenging loops, and finisher shirt and medal.

Run about eight miles along the scenic Sycamore Trail beside the Des Moines River in Johnston, Iowa. Hosted by Capital Striders, this capped field trail event features single track, a midpoint water stop and a friendly postrace gathering.