2012 State of the Sport – Part IV: Largest Road Races – Top 100 largest timed U.S. road races include 42 half-marathons; for the first time, top 100 exceeds 1.6 million finishers and 5 road races had more than 40,000 timed finishers

COLORADO SPRINGS, Colo. - (September 30, 2012) - As part of its mission to promote and celebrate the sport, Running USA annually releases statistics for the nation's top road races including such popular lists as the Top 100 U.S. Timed, Largest by Distance, Largest by State, Largest Festivals, W...