Fields stacked for US marathon National Championships

Over 750 racers will compete in the ninth edition of the Firecracker 50 on July 4th in Breckenridge, Colorado. Among them will be many professionals and amateurs attempting to win 12 national championship marathon jerseys. These will include defending champions Jeremiah Bishop (MonaVie/Cannondale) and adventure racer Sari Anderson (Honey Stinger).