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Boulder Backroads Marathon, Half Marathon & Marathon Relay

September 19, 2015

Boulder Reservoir, 5565 N 51st St. Boulder, CO 80301

The 2015 Boulder Backroads Marathon and Half Marathon are USATF-sanctioned road races held north of Boulder, framed by the majestic Colorado Front Range foothills. Marathon and Half marathon runners begin at the Boulder Reservoir and travel out through the rural countryside of Boulder County on mostly dirt roads and quiet lanes on a loop course.