Question: how long does it take the average person to complete an ironman?
Answer: 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.