Run the beautiful rural backroads of Boulder, Colorado. Start and finish at the Boulder Reservoir. 85% of course is on soft-pack county dirt road. Fully supported; great food and drink at the finish, including local microbrews! Half marathon is out and back; full is a loop course...both are relatively flat, with a few gentle hills. A great first-timers race. Register today!

Boulder Backroads Marathon

Post-Race Review/ Results

Maddy Tormoen and Jerry Lawson both came back from setbacks to win Sunday's Boulder Backroads Marathon.

Tormoen, Lawson win Boulder Backroads

Human Interest Story

Boulder race has diverse group

In the wake of the postponement of the Mile High City Marathon until Nov. 4 because of the terrorist attacks the Boulder Marathon has become a focal point for a sizable number of local training groups.

Marathon Summary

Marathon Results