Official Web Site of the Boulder Marathon and the Boulder Spring Half

2010 Boulder Half Marathon • 13.1 Miles

The course for the 2010 Boulder Half Marathon is the same as it was in 2009. The Boulder Half Marathon course is officially Certified and Sanctioned by the United States Amateur Track Field (USATF). The race starts at 8:00am on the morning of Sunday, September 19th, 2010.