Mondo Knows Facts

The Ironman began as an argument in Hawaii

A 1978 debate about which athlete was fittest produced a combined race The first Ironman was held in Honolulu in 1978 with fifteen starters and combined the Waikiki Roughwater Swim, the Around Oahu bike race and the Honolulu Marathon. The event moved to Kona in 1981. The distances have stayed the same ever since. It sits in Mondo's sports collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Ironman

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Tags: triathlon, ironman, hawaii

The Ironman began as an argument in Hawaii: the short answers

Where does this come from, and can I check it?
A 1978 debate about which athlete was fittest produced a combined race. The figure is taken from Ironman, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a sports fact?
Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.