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I-35 Challenge

Sat October 17 - Sun October 18 2026

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I-35 Challenge

Sat October 17 - Sun October 18, 2026

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 17, 2026 - Sunday October 18, 2026
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $245.00 Race Fee + $15.70 SignUp Fee
Registration:: Registration closes on February 24, 2026 at 11:59pm CST and re-opens on February 25, 2026 at 12:00am CST

Registration Starting	Registration Ending	Price
January 1, 2026, 12:00am CST	February 24, 2026, 11:59pm CST	$245.00 Race Fee + $15.70 SignUp Fee
February 25, 2026, 12:00am CST	April 21, 2026, 11:59pm CDT	$155.00 Race Fee + $10.30 SignUp Fee
April 22, 2026, 12:00am CDT	May 31, 2026, 11:59pm CDT	$280.00 Race Fee + $15.00 SignUp Fee
June 1, 2026, 12:00am CDT	July 30, 2026, 11:59pm CDT	$290.00 Race Fee + $15.50 SignUp Fee
July 31, 2026, 12:00am CDT	September 15, 2026, 11:59pm CDT	$315.00 Race Fee + $16.75 SignUp Fee
September 16, 2026, 12:00am CDT	October 10, 2026, 11:59pm CDT	$325.00 Race Fee + $17.25 SignUp Fee
October 11, 2026, 12:00am CDT	October 14, 2026, 11:59pm CDT	$355.00 Race Fee + $18.75 SignUp Fee

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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 17, 2026 - Sunday October 18, 2026
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $210.00 Race Fee + $13.60 SignUp Fee
Registration:: Price increases to $220.00 after February 24, 2026 at 11:59pm CST

Registration Starting	Registration Ending	Price
January 1, 2026, 12:00am CST	February 24, 2026, 11:59pm CST	$210.00 Race Fee + $13.60 SignUp Fee
February 25, 2026, 12:00am CST	April 21, 2026, 11:59pm CDT	$220.00 Race Fee + $14.20 SignUp Fee
April 22, 2026, 12:00am CDT	May 31, 2026, 11:59pm CDT	$240.00 Race Fee + $15.40 SignUp Fee
June 1, 2026, 12:00am CDT	July 30, 2026, 11:59pm CDT	$245.00 Race Fee + $15.70 SignUp Fee
July 31, 2026, 12:00am CDT	September 15, 2026, 11:59pm CDT	$270.00 Race Fee + $14.50 SignUp Fee
September 16, 2026, 12:00am CDT	October 10, 2026, 11:59pm CDT	$290.00 Race Fee + $15.50 SignUp Fee
October 11, 2026, 12:00am CDT	October 14, 2026, 11:59pm CDT	$310.00 Race Fee + $16.50 SignUp Fee

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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 17, 2026 - Sunday October 18, 2026
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $225.00 Race Fee + $14.50 SignUp Fee
Registration:: Price increases to $235.00 after February 24, 2026 at 11:59pm CST

Registration Starting	Registration Ending	Price
January 1, 2026, 12:00am CST	February 24, 2026, 11:59pm CST	$225.00 Race Fee + $14.50 SignUp Fee
February 25, 2026, 12:00am CST	April 21, 2026, 11:59pm CDT	$235.00 Race Fee + $15.10 SignUp Fee
April 22, 2026, 12:00am CDT	May 31, 2026, 11:59pm CDT	$260.00 Race Fee + $14.00 SignUp Fee
June 1, 2026, 12:00am CDT	July 30, 2026, 11:59pm CDT	$270.00 Race Fee + $14.50 SignUp Fee
July 31, 2026, 12:00am CDT	September 15, 2026, 11:59pm CDT	$295.00 Race Fee + $15.75 SignUp Fee
September 16, 2026, 12:00am CDT	October 10, 2026, 11:59pm CDT	$305.00 Race Fee + $16.25 SignUp Fee
October 11, 2026, 12:00am CDT	October 14, 2026, 11:59pm CDT	$335.00 Race Fee + $17.75 SignUp Fee

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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 17, 2026 - Sunday October 18, 2026
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $190.00 Race Fee + $12.40 SignUp Fee
Registration:: Price increases to $200.00 after February 24, 2026 at 11:59pm CST

Registration Starting	Registration Ending	Price
January 1, 2026, 12:00am CST	February 24, 2026, 11:59pm CST	$190.00 Race Fee + $12.40 SignUp Fee
February 25, 2026, 12:00am CST	April 21, 2026, 11:59pm CDT	$200.00 Race Fee + $13.00 SignUp Fee
April 22, 2026, 12:00am CDT	May 31, 2026, 11:59pm CDT	$220.00 Race Fee + $14.20 SignUp Fee
June 1, 2026, 12:00am CDT	July 30, 2026, 11:59pm CDT	$225.00 Race Fee + $14.50 SignUp Fee
July 31, 2026, 12:00am CDT	September 15, 2026, 11:59pm CDT	$250.00 Race Fee + $13.50 SignUp Fee
September 16, 2026, 12:00am CDT	October 10, 2026, 11:59pm CDT	$270.00 Race Fee + $14.50 SignUp Fee
October 11, 2026, 12:00am CDT	October 14, 2026, 11:59pm CDT	$290.00 Race Fee + $15.50 SignUp Fee

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

Event Dates:: Saturday October 17, 2026 - Sunday October 18, 2026
Start Time:: 7:00am CDT
End Time:: 8:00am CDT

Price:: $35.00 Race Fee + $3.10 SignUp Fee
Registration:: Registration ends October 16, 2026 at 8:00pm CDT

Registration Starting	Registration Ending	Price
January 1, 2026, 12:00am CST	October 16, 2026, 8:00pm CDT	$35.00 Race Fee + $3.10 SignUp Fee

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