Triathletes competing in swim leg of triathlon Ironman Triathlon Bicycles on the rack at a triathlon race ready for their racers Triathlon athletes swimming in water in a race, Ironman, Kailua Kona, Hawaii Hawaii, Big Island, Kona, Triathlon training at Kailua Kona the Ironman Triathlon Swimmers, Kailua Kona, Big Island, Hawaii, USA Orange course marker buoy Triathlete A triathlete at the ocean Cyclist, Vancouver, British Columbia, Canada 25 year old Hispanic triathlete after swim Cyclist, Vancouver, British Columbia, Canada People competing in the Ford Ironman World Championship, Kailua Kona, Hawaii,