Race Discovery
I-35 Challenge
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I-35 Challenge

Kansas City, Missouri, United States
Oct 17, 2026 – Oct 18, 2026
Event

About this race

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

The I-35 Challenge brings an exciting race distance to Kansas City, Missouri on October 17, 2026. Don't miss this beautiful event!

Pick your distance

No race distances have been announced yet.

Weather Overview

These values represent the 13-year monthly averages for October in Kansas City.

Temp (°C)
Minimum temperature (monthly average) 7.9° / Maximum temperature (monthly average) 17.5°
Feels Like (°C)
Minimum feels like (with wind chill; monthly average) 4.9° / Maximum feels like (with wind chill; monthly average) 17.5°
Wind (km/h)
Average wind speed (monthly average)
18.5
Precipitation (mm)
Average precipitation (monthly average)
1.0mm

About Kansas City

I-35 Challenge takes place in Kansas City, Missouri, United States. The local timezone is America/Chicago.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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