HISTORICAL FACTS: Ironman world championship | History Defined

‘I felt physically freezing’: How Lucy Charles-Barclay’s Ironman World Championship bid went wrong

The British triathlon star was on her way to a second Ironman world title when her body gave out – which made her world title triumph over the half-distance four weeks later all the more extraordinary

The Independent UK · Nov 27, 2025

Sarah Crowley on why it's so hard to compete at the Hawai'i Ironman World Championships in Kona

The World Ironman Championship in Kona, Hawai'i, is arguably the hardest single-day event in sport. To be a contender, you have to put yourself through hell.

ABC News · Oct 5, 2022