How long does it take to complete an iron man?
about 12 hours and 35 minutes. The answer, based on our analysis of more than 41,000 finishers in 25 Ironman triathlons: about 12 hours and 35 minutes for the average triathlete. Swim 2.4 miles in 1:16, Bike 112 miles in 6:25, and Run 26.2 miles in 4:54.
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