2015 Iron Girl Sandy Hook Women's Triathlon & 5KSunday, Sept. 13, 2015, in Highlands, N.J. 1 of 8
Women of all ages, backgrounds and abilities race together at National Gateway Park to encourage a positive and supportive race environment. A personalized race bib, custom medal and access to a post-race caf? are included with registration.
2015 ITU World Triathlon Grand Final ChicagoSaturday, Sept. 19, 2015, in Chicago 2 of 8
This is your chance to race the same course as some of the best international elite triathletes. Open to age-groupers, this sprint course takes place in Chicago's Grant Park and is part of the six-day World Championship event weekend.
IRONMAN 70.3 Lake TahoeSunday, Sept. 20, 2015, in Lake Tahoe, Calif. 3 of 8
Twitter / @anne_basso
Known for its beautiful views and tough conditions, IRONMAN 70.3 Lake Tahoe is one of the most challenging races on the IM circuit. The bike course includes almost 4,000 feet of climbing and the race takes place at an altitude of 6,000 feet.
Bullfrog Olympic Triathlon at Deep PondSaturday, Sept. 26, 2015, in Wading River, N.Y. 4 of 8
Considered less of a pond and more of a small lake, the 750-meter swim takes place in Deep Pond and transitions to a flat 28.8-mile bike course followed by a six-mile off-road trail run around the lake. Course views include wooded areas, horse pastures and vegetable farms.
The Duxberry Beach TriathlonSaturday, Sept. 26, 2015, in Duxbury, Mass. 5 of 8
Featuring a scenic East Coast course, this sprint triathlon includes a half-mile swim, 13-mile rolling bike course and a 3.1-mile run across Powder Point Bridge. Take note: Wetsuits are required for all competitors.
33rd Annual Santa Cruz TriathlonSunday, Sept. 27, 2015, in Santa Cruz, Calif. 6 of 8
The 33rd edition of this classic race is offering a new sprint course, in addition to the usual Olympic-distance course that begins in the Santa Cruz Municipal Wharf. This is a nonprofit event, and the Santa Cruz Triathlon has donated $1.5 million to Santa Cruz athletic programs to date.
Little Debbie IRONMAN ChattanoogaSunday, Sept. 27, 2015, in Chattanooga, Tenn. 7 of 8
Twitter / @mavmulti
Southern charm meets endurance sports at the 11th annual IRONMAN Chattanooga. Coveted for the downstream swim and enticing scenery, this fast course draws high-caliber professionals and a competitive age-group field. Plus, 50 slots will be awarded to the 2016 IRONMAN World Championships.