Ironman Distances: How Long is an Ironman Triathlon Race?

How long is an Ironman triathlon? Ironman distances involve a 2.4-mile (3.9km) swim, 112-mile (180.2km) bike, and 26.2-mile (42.2km) run.

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Triathlon Distances: What to Know About Your Race Options

Triathlon - Wikipedia

Racing an IRONMAN® Triathlon Faster Webinar

Triathlon Distances: Miles/Kilometers, Average Times, Training Tips

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Tri Training Harder: How much time do I need to train for an IRONMAN?

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Ironman Triathlon - Wikipedia

Ironman Distances: What are the Distances In an Ironman Triathlon? — TRIGEARLAB

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Sports Performance Bulletin - Endurance training - Ironman triathlon novices: the art of prediction