Colder Boulder 5k

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You are the elite runner at the Colder Boulder!

There are 12 invitational races, based on your 10K finish time in the BolderBOULDER which allows you to compete with your peers. For example, runners who ran the BolderBOULDER 10K in 44:00-45:59 are invited to that ColderBOLDER 5K race.

The top three men and women in each race win Cold Medals and an ice-cold YETI Rambler. That’s 78 medalists total.


The invite times are not meant to be predicted 5K times. Invited athletes may only run in their invited race, or a faster one if their speed has improved since May.

Start Times

Start Time               Expected finish time
Race 1    7:50 a.m.  40-42 Minutes
Race 2    7:55 a.m.  42-44 Minutes
Race 3    8:02 a.m.  44-46 Minutes
Race 4    8:10 a.m.  46-48 Minutes
Race 5    8:20 a.m.  48-50 Minutes
Race 6    8:30 a.m.  50-52 Minutes
Race 7    8:40 a.m.  52-54 Minutes 
Race 8    8:50 a.m.  54-56 Minutes
Race 9    9:00 a.m.  56-58 Minutes
Race 10  9:10 a.m.  58-60 Minutes
Race 11  9:20 a.m.  60-62 Minutes
Race 12  9:30 a.m.  62-64 Minutes

Race 13  9:50 a.m.  Open to Everyone

Visit the Colder Boulder Race Website

Photos of the Colder Boulder 5k

Qualify for the Bolder Boulder with a qualifying race like the Colder Boulder 5k

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