Get ready for an exhilarating weekend of running at the I-35 Challenge, taking place from October 18th to 19th, 2025, in the vibrant city of Kansas City, Jackson. This exciting event invites runners to test their limits by completing races at both the Garmin Kansas City Marathon and the IMT Des Moines Marathon on consecutive weekends. Participants can choose from a variety of combinations, including running a full marathon in Kansas City followed by another marathon in Des Moines, or opting for half marathon distances at either location. Whether you’re a seasoned marathoner or a passionate half marathoner, the I-35 Challenge promises an unforgettable experience filled with camaraderie and the thrill of race day. Don’t miss out on this unique opportunity to challenge yourself while enjoying the scenic beauty of two fantastic cities!