Skip to main content

I-35 Challenge

Sat October 18 - Sun October 19 2025

Sign Up

Your browser has JavaScript disabled. You may experience issues registering or using other parts of the website. Please enable JavaScript if possible.

Sign Up

I-35 Challenge

Sat October 18 - Sun October 19, 2025 Kansas City, MO 64108 US

I-35 Challenge - Kansas City Marathon & Des Moines Marathon

Garmin Kansas City Marathon - Marathon Registration
IMT Des Moines Marathon - Marathon Registration

Event Dates:: Saturday October 18, 2025 - Sunday October 19, 2025
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $254.00 Race Fee + $13.70 SignUp Fee
Registration:: Price increases to $264.00 after March 9, 2025 at 11:59pm CDT

Registration Starting	Registration Ending	Price
January 1, 2025, 12:00am CST	March 9, 2025, 11:59pm CDT	$254.00 Race Fee + $13.70 SignUp Fee
March 10, 2025, 12:00am CDT	April 27, 2025, 11:59pm CDT	$264.00 Race Fee + $14.20 SignUp Fee
April 28, 2025, 12:00am CDT	June 1, 2025, 11:59pm CDT	$279.00 Race Fee + $14.95 SignUp Fee
June 2, 2025, 12:00am CDT	July 27, 2025, 11:59pm CDT	$294.00 Race Fee + $15.70 SignUp Fee
July 28, 2025, 12:00am CDT	September 16, 2025, 11:59pm CDT	$309.00 Race Fee + $16.45 SignUp Fee
September 17, 2025, 12:00am CDT	September 28, 2025, 11:59pm CDT	$319.00 Race Fee + $16.95 SignUp Fee
September 29, 2025, 12:00am CDT	October 12, 2025, 11:59pm CDT	$329.00 Race Fee + $17.45 SignUp Fee

Sign Up

I-35 Challenge - Kansas City Marathon & Des Moines Half Marathon

Garmin Kansas City Marathon - Marathon Registration
IMT Des Moines Marathon - Half Marathon Registration

Event Dates:: Saturday October 18, 2025 - Sunday October 19, 2025
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $234.00 Race Fee + $15.04 SignUp Fee
Registration:: Price increases to $244.00 after March 9, 2025 at 11:59pm CDT

Registration Starting	Registration Ending	Price
January 1, 2025, 12:00am CST	March 9, 2025, 11:59pm CDT	$234.00 Race Fee + $15.04 SignUp Fee
March 10, 2025, 12:00am CDT	April 27, 2025, 11:59pm CDT	$244.00 Race Fee + $15.64 SignUp Fee
April 28, 2025, 12:00am CDT	June 1, 2025, 11:59pm CDT	$259.00 Race Fee + $13.95 SignUp Fee
June 2, 2025, 12:00am CDT	July 27, 2025, 11:59pm CDT	$269.00 Race Fee + $14.45 SignUp Fee
July 28, 2025, 12:00am CDT	September 16, 2025, 11:59pm CDT	$284.00 Race Fee + $15.20 SignUp Fee
September 17, 2025, 12:00am CDT	September 28, 2025, 11:59pm CDT	$294.00 Race Fee + $15.70 SignUp Fee
September 29, 2025, 12:00am CDT	October 12, 2025, 11:59pm CDT	$304.00 Race Fee + $16.20 SignUp Fee

Sign Up

I-35 Challenge - Kansas City Half Marathon & Des Moines Marathon

Garmin Kansas City Marathon - Half Marathon Registration
IMT Des Moines Marathon - Marathon Registration

Event Dates:: Saturday October 18, 2025 - Sunday October 19, 2025
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $234.00 Race Fee + $15.04 SignUp Fee
Registration:: Price increases to $244.00 after March 9, 2025 at 11:59pm CDT

Registration Starting	Registration Ending	Price
January 1, 2025, 12:00am CST	March 9, 2025, 11:59pm CDT	$234.00 Race Fee + $15.04 SignUp Fee
March 10, 2025, 12:00am CDT	April 27, 2025, 11:59pm CDT	$244.00 Race Fee + $15.64 SignUp Fee
April 28, 2025, 12:00am CDT	June 1, 2025, 11:59pm CDT	$259.00 Race Fee + $13.95 SignUp Fee
June 2, 2025, 12:00am CDT	July 27, 2025, 11:59pm CDT	$274.00 Race Fee + $14.70 SignUp Fee
July 28, 2025, 12:00am CDT	September 16, 2025, 11:59pm CDT	$289.00 Race Fee + $15.45 SignUp Fee
September 17, 2025, 12:00am CDT	September 28, 2025, 11:59pm CDT	$299.00 Race Fee + $15.95 SignUp Fee
September 29, 2025, 12:00am CDT	October 12, 2025, 11:59pm CDT	$309.00 Race Fee + $16.45 SignUp Fee

Sign Up

I-35 Challenge - Kansas City Half Marathon & Des Moines Half Marathon

Garmin Kansas City Marathon - Half Marathon Registration
IMT Des Moines Marathon - Half Marathon Registration

Event Dates:: Saturday October 18, 2025 - Sunday October 19, 2025
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $214.00 Race Fee + $13.84 SignUp Fee
Registration:: Price increases to $224.00 after March 9, 2025 at 11:59pm CDT

Registration Starting	Registration Ending	Price
January 1, 2025, 12:00am CST	March 9, 2025, 11:59pm CDT	$214.00 Race Fee + $13.84 SignUp Fee
March 10, 2025, 12:00am CDT	April 27, 2025, 11:59pm CDT	$224.00 Race Fee + $14.44 SignUp Fee
April 28, 2025, 12:00am CDT	June 1, 2025, 11:59pm CDT	$239.00 Race Fee + $15.34 SignUp Fee
June 2, 2025, 12:00am CDT	July 27, 2025, 11:59pm CDT	$249.00 Race Fee + $15.94 SignUp Fee
July 28, 2025, 12:00am CDT	September 16, 2025, 11:59pm CDT	$264.00 Race Fee + $14.20 SignUp Fee
September 17, 2025, 12:00am CDT	September 28, 2025, 11:59pm CDT	$274.00 Race Fee + $14.70 SignUp Fee
September 29, 2025, 12:00am CDT	October 12, 2025, 11:59pm CDT	$284.00 Race Fee + $15.20 SignUp Fee

Sign Up

I-35 Challenge ONLY (already signed up for KC and Des Moines)

Event Dates:: Saturday October 18, 2025 - Sunday October 19, 2025
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $35.00 Race Fee + $3.10 SignUp Fee
Registration:: Registration ends October 17, 2025 at 8:00pm CDT

Registration Starting	Registration Ending	Price
January 1, 2025, 12:00am CST	October 17, 2025, 8:00pm CDT	$35.00 Race Fee + $3.10 SignUp Fee

Sign Up

If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.