I-35 Challenge
When is I-35 Challenge?
I-35 Challenge takes place on Saturday, October 17, 2026 in Kansas City, MO.
What distances does I-35 Challenge offer?
I-35 Challenge offers 5 events: I-35 Challenge - Kansas City Marathon & Des Moines Marathon, I-35 Challenge - Kansas City Marathon & Des Moines Half Marathon, I-35 Challenge - Kansas City Half Marathon & Des Moines Marathon, I-35 Challenge - Kansas City Half Marathon & Des Moines Half Marathon, I-35 Challenge ONLY (already signed up for KC and Des Moines).
| Event | Distance | Price | |
|---|---|---|---|
| I-35 Challenge - Kansas City Marathon & Des Moines Marathon | — | $245.00 | Register |
| I-35 Challenge - Kansas City Marathon & Des Moines Half Marathon | — | $210.00 | Register |
| I-35 Challenge - Kansas City Half Marathon & Des Moines Marathon | — | $225.00 | Register |
| I-35 Challenge - Kansas City Half Marathon & Des Moines Half Marathon | — | $190.00 | Register |
| I-35 Challenge ONLY (already signed up for KC and Des Moines) | — | $35.00 | Register |
How much does I-35 Challenge cost?
Registration for I-35 Challenge starts at $155.00. Prices vary by event distance.
Where is I-35 Challenge held?
I-35 Challenge is held in Kansas City, MO at Kansas City, MO & Des Moines, IA.
About I-35 Challenge
The I-35 Challenge is a partnership between the Garmin Kansas City Marathon and IMT Des Moines Marathon, offering the challenge of completing both races on concurrent weekends.
Participants can do any of the following combinations of events to complete the I-35 Challenge:
- Marathon in Kansas City and Marathon in Des Moines
- Marathon in Kansas City and Half Marathon in Des Moines
- Half Marathon in Kansas City and Marathon in Des Moines
- Half Marathon in Kansas City and Half Marathon in Des Moines