The I-35 Challenge is a unique multi-race event that bridges two major Midwestern cities. By partnering the Garmin Kansas City Marathon and the IMT Des Moines Marathon, this challenge invites runners to test their endurance across two consecutive weekends. Participants have the flexibility to choose from various distance combinations, including full marathon and half marathon pairings. Whether you are looking to conquer two full marathons or mix and match distances, this challenge offers a distinctive way to experience the running culture of both Kansas City and Des Moines. It is an ideal goal...

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Kansas City, MO & Des Moines, IA
Kansas City, MO 64108