Congratulations to the 4,000+ Boulderthon 2022 Finishers! View Results & Photos here.
runners flock on the starting point of race

COURSE MAPS

Please refer to our maps below for a preview of what's to come.

Course Maps & Elevations may be adjusted based on covid-19 safety modifications, local and state recommendations, and higher-than-anticipated registration numbers to accommodate a larger participant count, and provide the best overall runner, spectator, and Boulder County & City of Boulder resident experience. If you have any questions, feedback, or suggestions, please do not hesitate to contact us at hi@boulderthon.org.

Interactive Course Map

Full Marathon Course Map & Elevation
Boulder CO Marathon full marathon course mapCourse maps presented by Boulderthon's exclusive map sponsor, OS Maps!
Half Marathon Course Map & Elevation
Boulder half marathon course mapCourse maps presented by Boulderthon's exclusive map sponsor, OS Maps!
10k Course Map & Elevation
Boulder CO Marathon 10k course mapCourse maps presented by Boulderthon's exclusive map sponsor, OS Maps!
5k Course Map & Elevation
Boulderthon 5k course mapCourse maps presented by Boulderthon's exclusive map sponsor, OS Maps!
Kids Course Map & Elevation
Boulderthon Kids Run course map