33 Races in Denver, IA

Run the Cedar Rapids Hot Cider Hustle Half Marathon, 10K and 5K on Oct. 10th. At the finish line, you'll be greeted with hot apple cider, caramel apples and your finisher mug. Use #HotCiderHustle...

Race Details:  Join us in Keystone Iowa to run/walk/crawl and survive the 2026 Zombie Apocalypse 5K.  This 5K distance race will be chip timed. Each runner will have flags attached to them (also...

Save the date for our 2026 Howl-O-Ween Dog Jog event!!  We are having our fist Halloween Dog Jog!! Join us with your costumes for you and you dogs!! Registration starts at 9:00 and the event...

Cedar Falls 5K, 10K, half marathon, and relay honoring officer Scott Sterrett, funding a first-responder scholarship.

Chip-timed 5K through downtown Cedar Rapids on Thanksgiving, benefiting Best Buddies.

Join the Thanksgiving tradition at the Cedar Rapids Turkey 5K Run/Walk on Thanksgiving morning!  Everyone gets a donut at the finish line! Cedar Rapids, IA. Use #TurkeyTradition to share your...

A Thanksgiving Day 5K on the trails of George Wyth State Park in the Cedar Valley.

A Winter Run Like No Other!

A 5k race in Marion remembering John Snitko, who was a long time race director and timer for events in the community and around the country. The race will be an out and back race, running on the...

The Cedar Rapids Marathon Weekend, which includes a marathon, half marathon, team relay, 10K, 5K and Kids Run is an exciting new event with a distance for all on a weekend that celebrates...

A USATF certified and sanctioned trail event on the WGWL Trail in Riceville, Iowa.

Death by 5k is coming back to Waterloo for year 4! Think you have what it takes to finish the Death by 5k challenge? Taking place at beautiful George Wyth State Park, Death by 5k requires...

Join us for the Inaugural RUCKUS H.E.R.O. RUCK 4 FREEDOM! Ruckus H.E.R.O. 4 Freedom is an honorary Ruck where the community comes together with our Active-Duty Military, Veterans and First...