Course Maps | Run Boulderthon: The Boulder Marathon - Colorado's Largest Fall Race Series

Download PDF - All Courses

Boulderthon - Boulder Marathon - Full Marathon Course Map

Interactive Course Map (All Races)

Download GPX & KML Files

Boulderthon - Boulder Marathon - Half Marathon Course Map

Interactive Course Map (All Races)

Download GPX & KML Files

Boulderthon - Boulder Marathon - 10k Course Map

Interactive Course Map (All Races)

Boulderthon - Boulder Marathon - 5k Course Map

2023 Interactive Course Map (All Races)

Interactive Course Map (All Races)