Boulderthon Half and Full Marathon Course Preview Run

There's no better way to prepare for race day than to learn the ins and outs of the course. Join us for a supported long run on Boulderthon's iconic route.

Multiple water stations will be provided on course.

Pacers from 7:00 minutes per mile to 13:00 minutes per mile will be on course serving both as pacers and course guides.

Review the courses ahead of time (more information coming soon). Full marathoners will have a 16 mile route and half marathoners will have a 10 mile route.

PUMA will be onsite with shoe demos for you to test during the run! Other vendors will be onsite to offer samples, stretching, and more before and after the run.

Doors Open - 7:15am

16 Mile Run Takeoff - 7:30am

10 Mile Run Takeoff - 7:45am

Do I need to be registered for Boulderthon to attend this event?

No! Everyone is welcome to join these supported long runs.

When will the routes be posted?

Routes will be posted within a month of the event.

How many water stations will be on course? Will there be other nutrition on course?

We are in the process of solidifying this and we will update this event page with details when we have them.

Host or Publisher Fleet Feet Boulder