TUNE INTO THE AFLAC IRON GIRL ATLANTA NBC BROADCAST Check out a preview... http://www.youtube.com/watch?v=RxRjQArQKZE The broadcast of the third annual Aflac Iron Girl Atlanta Triathlon will air this Sunday, Aug. 2, from 2 to 3 p.m. ET on NBC Sports. (Check your local listings for additional details). The telecast will showcase a highly competitive professional field as well as a diverse group of athletes varying in age and fitness level. Viewers will watch stories of athletes who have overcome adversity, as well as gain inspiration from women who have adopted healthy, active lifestyles and more. The sold-out all-women's event brought more than 1,200 participants to Lake Lanier Islands Resort, located 45 minutes northeast of Atlanta, Ga., to compete in a 1/3-mile swim, 18-mile bike and 3-mile run. Featured in the broadcast: * 1st-place-finisher, Mirinda Carfrae, 28, AUS, (1:13:55): Carfrae is a multiple Ironman 70.3 champion, as well as the winner of the 2007 Ford Ironman World...