Boulder Marathon

Location:

Boulder

|

United States

|

North America

Scenic mountain marathon challenging runners with elevation and breathtaking Colorado views.

Race Details

Race Distance

Marathon

42.2km

26.22ml

Race Official Name

Boulder Marathon

Race Month

September

About the Boulder Marathon

The Boulder Marathon offers runners a breathtaking journey through Colorado's picturesque landscapes. Starting in downtown Boulder, the course winds through scenic mountain roads, offering stunning views of the iconic Flatirons. Participants face a challenging elevation profile, testing their endurance as they climb and descend amidst the Rocky Mountain foothills. The race showcases Boulder's vibrant running community, with enthusiastic spectators cheering along the route. Runners finish in a festive atmosphere, celebrating their accomplishment against the backdrop of Boulder's natural beauty and active lifestyle.

Kaizen apple icon
Kaizen apple icon

Train for the Boulder Marathon with Kaizen

Know your finish time before the start line

Target a specific finish time

Fully flexible training that fits in around your life

Accurate race predictions updated after every run

Trusted by 10K+ runners

google play icon
google play icon
apple store icon
apple store icon
Kaizen iphone screen
Kaizen iphone screen
Kaizen iphone screen
Kaizen iphone screen

Subscribe

Want to improve your race times?

Sign up for race tips and be the first to hear about upcoming PB race options and updates

If you are an official race organiser with any questions about this page, please get in touch: hello@runkaizen.com