Kansas City, MO & Des Moines, IA, Kansas City MO
Saturday, October 17th, 2026
I-35 Challenge Overview
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.
Event Combinations
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
Event Details
Date: 2026-10-17
Location: Kansas City, MO & Des Moines, IA
For more information, visit the official race page.
Course Map
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