3 cycling, running, fun run, and other events in Grinnell, Iowa

Prairie Burn headquarters is so excited for 2026! We’re switching things up and can't wait for you to be a part of the fun. This year’s Prairie Burn offers all-new gravel distances and a Team option for the 100km. Teams of 3 persons can participate with the last person's time to be recorded as the team time. Choose from these distances:

• 100 Kilometers

• 50 Kilometers

• 25 Kilometers

You will experience some of the best gravel and B-roads in the Midwest! We’re also keeping our fan-favorite Fun Run, with your choice of 5K or 3K.

After your ride or run, meet back in Central Park to celebrate with food, drinks, live music, and more—a full-day festival atmosphere for friends, families, and outdoor lovers.

Event Start Times:

• 8:00am 100K

• 9:00am 50K

• 9:30am 25K

• 10:00am 5K/3K

Register early! All riders and runners who sign up before May 1 will receive a free Prairie Burn t-shirt.

A Fundraiser for Imagine Grinnell

Proceeds from Prairie Burn support Imagine Grinnell, a nonprofit working to create a more vibrant, sustainable, and healthy Grinnell. Their initiatives include:

• Marvin Giving Garden- community garden

• Grinnell Bike Share- sharing bikes with the community for free

• Trail Team- creating walkable and bikeable soft trails

• Tree Corps- distributing free trees to the community

If the registration fee is a barrier to participation, please reach out to us at [email protected]—we want everyone to be part of Prairie Burn.

For updates, route previews, announcements, and more, visit our website: prairieburn100.com and follow us on social media! Facebook & Instagram: @prairieburn100

Looking for a place to stay? Check out The Grinnellian- a bed and breakfast close to downtown Grinnell.

See you June 6th!

Grinnell State Bank

Claude W. and Dolly Ahrens Foundation