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How fast should you be in each IRONMAN® leg to finish in less than 10 hours?

Triathlete cycling

Let’s take three IRONMAN races that are considered to be the fastest and analyze the performance of athletes who manage to finish it sub-10 (times 9:55 to 9:59) in 2019.

tl;dr: you can be (relatively) slow in one discipline and still finish sub-10, so Anything is possible™ 🙂

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