I-35 Challenge
Kansas City, MO
Sat, Oct 17, 2026
In 71 days · Sat, Oct 17, 2026
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Saturday, October 17th, 2026
Kansas City, MO & Des Moines, IA, Kansas City MO
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50–68°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
65–84°F
rain
2024
43–66°F
dry
2023
41–68°F
dry
2022
37–48°F
dry
2021
43–70°F
dry
2020
52–70°F
dry
2019
42–66°F
dry
2018
42–63°F
dry
2017
51–69°F
dry
2016
73–85°F
dry
Best months to race in Missouri →
About this race
🏃♂️ 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.
Course map
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Run clubs near Kansas City to train with before race day.
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