Boulder Backroads Marathon and Half Marathon

5565 N. 51st St.
Boulder, CO 80301- Map It
(303) 939-9661

AAA Editor Notes

With views of rolling farmland to the east and the mountains to the west, running on the Boulder back roads is a memorable experience for athletes. Please call ahead to confirm event details.
Boulder Reservoir
10/01/2017 to 10/01/2017