Boulderthon 10K – 8:25
September 28 @ 7:00 am - 11:00 am
Race Start Times
Half/Full Marathon: 7:00am for Wave 1. Please see Wave Start Plan below.
5K: 7:45am
10K: 8:25am
Kids Run: 9am
This year, Boulderthon features its first-ever Start and Finish Downtown.
Our Start Village Presented by Uber Eats is hosted on the Pearl Street Mall, between 13th and 15th.
The Start Line is at 21st and Pearl. The Finish is at 14th and Pearl.