I-35 Challenge

🏃‍♂️ 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: Complete the full marathon in Kansas City.
• Marathon in Des Moines: Follow up with the marathon in Des Moines.
• Half Marathon in Kansas City: Option to run the half marathon in Kansas City.
• Half Marathon in Des Moines: Conclude with the half marathon in Des Moines.

📅 Race Date

The I-35 Challenge takes place on October 17, 2026 in Kansas City, MO and Des Moines, IA.

🔗 Register Now

For more details and to register, please visit the official race page: I-35 Challenge Registration.