Question: how long does it take to complete a 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. Of course, the time it takes to finish an Ironman will depend on your age.