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Boulder Backroads Marathon, Half marathon &10k

Boulder Backroads Marathon, Half Marathon & 10k


This is the 18th running of the Boulder Backroads Marathon. This year's race includes a Marathon, Half Marathon, and 10k. The marathon will be a double loop of the half marathon course to make it more runner- and spectator-friendly. More information is available at

Registration fees

Marathon Closed

    1. Registration closed

Half Marathon Closed

    1. Registration closed

10k Closed

    1. Registration closed


The Start

After party and race day expo

Finishers Medals

Backroads Marathon and Half Marathon

Boulder Backroads 10k course

Event Schedule

  • September 7 11:59 PM MDT - Last day to preregister on Raceroster

  • September 8 11:00 AM MDT - Early packet pick up at Colorado Athletic Club ( Flatirons)

  • September 9 5:45 AM MDT - Packet Pickup and race day registration

  • September 9 7:15 AM MDT - Race Start - Marathon and Half Marathon

  • September 9 7:40 AM MDT - 10k Race Start

Contact Information

Event Location


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