Kansas City, MO & Des Moines, IA, Kansas City MO
Saturday, October 18th, 2025
🏁 Race 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: Marathon in Kansas City and Marathon in Des Moines
- Mixed Distance: Marathon in Kansas City and Half Marathon in Des Moines
- Half Marathon: Half Marathon in Kansas City and Marathon in Des Moines
- Dual Half Marathons: Half Marathon in Kansas City and Half Marathon in Des Moines
📅 Date and Location
The event will take place on October 18, 2025 at Kansas City, MO and Des Moines, IA.
🔗 More Information
For more details, visit the official race page: I-35 Challenge Registration.
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