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I-35 Challenge

Sat October 18 - Sun October 19, 2025 Kansas City, MO 64108 US

Events

KC Marathon + Des Moines Marathon

I-35 Challenge - Kansas City Marathon & Des Moines Marathon

$249 7:00AM CDT - 8:00AM CDT Registration includes Garmin Kansas City Marathon, IMT Des Moines Marathon, and I-35 Challenge.
KC Marathon + Des Moines Half Marathon

I-35 Challenge - Kansas City Marathon & Des Moines Half Marathon

$224 7:00AM CDT - 8:00AM CDT Registration includes Garmin Kansas City Marathon, IMT Des Moines Half Marathon, and I-35 Challenge.
KC Half Marathon + Des Moines Marathon

I-35 Challenge - Kansas City Half Marathon & Des Moines Marathon

$229 7:00AM CDT - 8:00AM CDT Registration includes Garmin Kansas City Half Marathon, IMT Des Moines Marathon, and I-35 Challenge.
KC Half Marathon + Des Moines Half Marathon

I-35 Challenge - Kansas City Half Marathon & Des Moines Half Marathon

$204 7:00AM CDT - 8:00AM CDT Registration includes Garmin Kansas City Half Marathon, IMT Des Moines Half Marathon, and I-35 Challenge.

I-35 Challenge ONLY (already signed up for KC and Des Moines)

$35 7:00AM CDT - 8:00AM CDT Registration Opens January 16, 2025 at 12:00am CST

Race Website

Additional race information can be found at http://www.i35challenge.com.

Description

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

Race Contact Info

If you have any questions about this race, click the button below.

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