Kansas City, MO & Des Moines, IA, Kansas City MO
Saturday, October 17th, 2026
🏃♂️ 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 Events
Participants can do any of the following combinations of events to complete the I-35 Challenge:
- Marathon: Marathon in Kansas City and Marathon in Des Moines
- Marathon & Half Marathon: Marathon in Kansas City and Half Marathon in Des Moines
- Half Marathon: Half Marathon in Kansas City and Marathon in Des Moines
- Half Marathon & Half Marathon: Half Marathon in Kansas City and Half Marathon in Des Moines
📅 Date and Location
The I-35 Challenge takes place on October 17, 2026, across two locations: Kansas City, MO and Des Moines, IA.
🔗 More Information
For more details, visit the race page: I-35 Challenge Information.
Race-day essentials
Light, simple picks for a fast effort.
Top pick
Adidas Men's Lite Racer Adapt 7.0, Black/Grey/Grey, 10
$44.95
Lapulas Athletic Ankle Socks, Low Cut Cushioned Anti-Blister Running Tab Sports Socks for Men and Women 6Pairs (White, L)
$14.99
![Lamicall Polarized Sports Sunglasses for Men Women, [24g Ultralight] [Adjustable Nose Pad] UV400 Protection Sun Glasses for Cycling Running Baseball Fishing Golf Beach Volleyball Driving](https://m.media-amazon.com/images/I/314zYavx-2L._SL160_.jpg)
Lamicall Polarized Sports Sunglasses for Men Women, [24g Ultralight] [Adjustable Nose Pad] UV400 Protection Sun Glasses for Cycling Running Baseball Fishing Golf Beach Volleyball Driving
$21.99
Fitgriff® Running Belt for Men & Women - Secure Jogging Pouch for Phone, Keys & Essentials - For All Cell Phones (Black, 24.5" - 35.5" Waist Size)
$15.95
Course Map
Train for this race
Find a local run club
Run clubs in Kansas City, MO host weekly group runs — a great way to prep for race day.
