Boise River Marathon

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Boise River Marathon

Boise River Marathon

May 2, 2026

Boise, ID 83706

Marathon

Start Time:: 6:30am MDT
End Time:: 2:00pm MDT

Price:: $60.00 Race Fee + $4.98 SignUp Fee
Registration:: Price increases to $65.00 after October 31, 2026 at 11:59pm MDT

Registration Starting	Registration Ending	Price
May 4, 2026, 12:00am MDT	October 31, 2026, 11:59pm MDT	$60.00 Race Fee + $4.98 SignUp Fee
November 1, 2026, 1:00am MDT	November 30, 2026, 11:59pm MST	$65.00 Race Fee + $5.27 SignUp Fee
December 1, 2026, 12:00am MST	December 31, 2026, 11:59pm MST	$85.00 Race Fee + $6.43 SignUp Fee
January 1, 2027, 12:00am MST	January 31, 2027, 11:59pm MST	$95.00 Race Fee + $7.01 SignUp Fee
February 1, 2027, 12:00am MST	February 28, 2027, 11:59pm MST	$105.00 Race Fee + $7.59 SignUp Fee
March 1, 2027, 12:00am MST	March 31, 2027, 11:59pm MDT	$115.00 Race Fee + $8.17 SignUp Fee
April 1, 2027, 12:00am MDT	May 2, 2027, 11:59pm MDT	$125.00 Race Fee + $8.75 SignUp Fee

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Half Marathon

Start Time:: 8:00am MDT
End Time:: 2:00pm MDT

Price:: $50.00 Race Fee + $4.40 SignUp Fee
Registration:: Price increases to $55.00 after October 31, 2026 at 11:59pm MDT

Registration Starting	Registration Ending	Price
May 4, 2026, 12:00pm MDT	October 31, 2026, 11:59pm MDT	$50.00 Race Fee + $4.40 SignUp Fee
November 1, 2026, 12:00am MDT	November 30, 2026, 11:59pm MST	$55.00 Race Fee + $4.69 SignUp Fee
December 1, 2026, 12:00am MST	December 31, 2026, 11:59pm MST	$60.00 Race Fee + $4.98 SignUp Fee
January 1, 2027, 12:00am MST	January 31, 2027, 11:59pm MST	$70.00 Race Fee + $5.56 SignUp Fee
February 1, 2027, 12:00am MST	February 28, 2027, 11:59pm MST	$80.00 Race Fee + $6.14 SignUp Fee
March 1, 2027, 12:00am MST	March 31, 2027, 11:59pm MDT	$90.00 Race Fee + $6.72 SignUp Fee
April 1, 2027, 12:00am MDT	May 2, 2027, 11:59pm MDT	$100.00 Race Fee + $7.30 SignUp Fee

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10k

Start Time:: 9:00am MDT
End Time:: 2:00pm MDT

Price:: $45.00 Race Fee + $4.11 SignUp Fee
Registration:: Price increases to $50.00 after October 31, 2026 at 11:59pm MDT

Registration Starting	Registration Ending	Price
May 4, 2026, 12:00am MDT	October 31, 2026, 11:59pm MDT	$45.00 Race Fee + $4.11 SignUp Fee
November 1, 2026, 12:00am MDT	November 30, 2026, 11:59pm MST	$50.00 Race Fee + $4.40 SignUp Fee
December 1, 2026, 12:00am MST	December 31, 2026, 11:59pm MST	$55.00 Race Fee + $4.69 SignUp Fee
January 1, 2027, 12:00am MST	January 31, 2027, 11:59pm MST	$60.00 Race Fee + $4.98 SignUp Fee
February 1, 2027, 12:00am MST	February 28, 2027, 11:59pm MST	$65.00 Race Fee + $5.27 SignUp Fee
March 1, 2027, 12:00am MST	March 31, 2027, 11:59pm MDT	$70.00 Race Fee + $5.56 SignUp Fee
April 1, 2027, 12:00am MDT	May 2, 2027, 11:59pm MDT	$75.00 Race Fee + $5.85 SignUp Fee

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5k

Start Time:: 9:00am MDT
End Time:: 2:00pm MDT

Price:: $35.00 Race Fee + $3.53 SignUp Fee
Registration:: Price increases to $40.00 after October 31, 2026 at 11:59pm MDT

Registration Starting	Registration Ending	Price
May 4, 2026, 12:00pm MDT	October 31, 2026, 11:59pm MDT	$35.00 Race Fee + $3.53 SignUp Fee
November 1, 2026, 12:00am MDT	December 31, 2026, 11:59pm MST	$40.00 Race Fee + $3.82 SignUp Fee
January 1, 2027, 12:00am MST	February 28, 2027, 11:59pm MST	$45.00 Race Fee + $4.11 SignUp Fee
March 1, 2027, 12:00am MST	March 31, 2027, 11:59pm MDT	$50.00 Race Fee + $4.40 SignUp Fee
April 1, 2027, 12:00am MDT	May 2, 2027, 11:59am MDT	$55.00 Race Fee + $4.69 SignUp Fee

Sign Up

Virtual - any distance!

Price:: $45.00 Race Fee + $4.11 SignUp Fee
Registration:: Registration ends May 2, 2027 at 9:00am MDT

Registration Starting	Registration Ending	Price
May 4, 2026, 11:36am MDT	May 2, 2027, 9:00am MDT	$45.00 Race Fee + $4.11 SignUp Fee

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