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Sunday, September 27 · 10K · Half Marathon · Marathon · Boulder, CO

Girls on the Run Rockies Boulderthon SoleMates

Sunday, September 27, 2026; Boulder, Colorado As a SoleMate, you will be running a Boulderthon event while raising funds to support Girls on the Run of the Rockies. More than 70% of our participants are in-need of financial support in order to be a part of our life-changing afterschool program. Your fundraising…

Start line: 1420 Pearl St, Boulder, CO 80302

Register →15 days to race day

2 weeks to race day — get a training plan

A week-by-week plan scaled to Sunday, September 27, built around the Denver–Boulder run clubs on your training days — shareable by URL, no account needed.

Build my plan →

Train for it with a crew

A 10K rewards company on the long runs more than it rewards a plan. Run clubs in Denver–Boulder

Frequently asked

When is the Girls on the Run Rockies Boulderthon SoleMates?
The next Girls on the Run Rockies Boulderthon SoleMates is Sunday, September 27 in Boulder, CO.
Where does the Girls on the Run Rockies Boulderthon SoleMates start?
The Girls on the Run Rockies Boulderthon SoleMates starts at 1420 Pearl St, Boulder, CO 80302 in Boulder, CO.
What distances does the Girls on the Run Rockies Boulderthon SoleMates offer?
The Girls on the Run Rockies Boulderthon SoleMates offers Marathon, Half Marathon and 10K.
How do I register for the Girls on the Run Rockies Boulderthon SoleMates?
You can register for the Girls on the Run Rockies Boulderthon SoleMates on RunSignup. Use the Register link above; RunVibe does not sell registrations directly.

Listed on RunSignup. Race details are the organiser’s — confirm the date and start time with them before you travel.