About This Race

The I-35 Challenge is a partnership between the Garmin Kansas City Marathon and the IMT Des Moines Marathon spanning two cities, two states, and one weekend. Participants complete a combination of full or half marathons in both Kansas City and Des Moines. All challengers receive participant items from both races plus an additional challenge-branded commemorative item and separate finisher medal.

Course & Race Day Details

Road surface
Surface
Road Surface
T-Shirt
Race Swag
I-35 Challenge - Kansas City Marathon & Des Moines Marathon, I-35 Challenge - Kansas City Marathon & Des Moines Half Marathon, I-35 Challenge - Kansas City Half Marathon & Des Moines Marathon, I-35 Challenge - Kansas City Half Marathon & Des Moines Half Marathon, I-35 Challenge ONLY (already signed up for KC and Des Moines): T-Shirt

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Choose Your Distance

I-35 Challenge - Kansas City Marathon & Des Moines Marathon Marathon
Garmin Kansas City Marathon - Marathon Registration IMT Des Moines Marathon - Marathon Registration
$294.00
Increases Jul 27
Register
I-35 Challenge - Kansas City Marathon & Des Moines Half Marathon Half Marathon
Garmin Kansas City Marathon - Marathon Registration IMT Des Moines Marathon - Half Marathon Registration
$269.00
Increases Jul 27
Register
I-35 Challenge - Kansas City Half Marathon & Des Moines Marathon Half Marathon
Garmin Kansas City Marathon - Half Marathon Registration IMT Des Moines Marathon - Marathon Registration
$274.00
Increases Jul 27
Register
I-35 Challenge - Kansas City Half Marathon & Des Moines Half Marathon Half Marathon
Garmin Kansas City Marathon - Half Marathon Registration IMT Des Moines Marathon - Half Marathon Registration
$249.00
Increases Jul 27
Register
I-35 Challenge ONLY (already signed up for KC and Des Moines)
$35.00
Increases Oct 16
Register