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.

🌟 Challenge Combinations

Participants can do any of the following combinations of events to complete the I-35 Challenge:

• Marathon in Kansas City: Compete in the full marathon event in Kansas City.
• Marathon in Des Moines: Join the marathon event in Des Moines following the Kansas City race.
• Half Marathon in Kansas City: Take on the half marathon in Kansas City.
• Half Marathon in Des Moines: Finish the challenge with the half marathon in Des Moines.

📅 Event Date

The I-35 Challenge will be held on October 17, 2026.

🔗 Registration Information

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