| Nearly 2,000 competitors enter Kailua Bay at sunrise to start the swim.
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The Hawaiian Ironman World Championships is a grueling annual triathlon comprising a 3.86 km swim, a 180.25 km bicycle race and a 42.195 km marathon with a strict 17-hour time limit. Competitors must endure scorching temperatures and crosswinds of up to 70 kph. | |
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