Dave Scott and Yvonne van Vlerken share what the moment meant, how the lead-up went, and the impact it had on them and on the sport.
From Dave Scott to Kristian Blummenfelt. From Paula Newby Fraser to Chrissie Wellington. We take a look back through the record books.
And Blummenfelt's coach says he could go even faster.
South Africa's own Raynard Tissink and Great Britain's Chrissie Wellington turned in fast times to take the victories at the 2011 Spec-Savers Ironman South Africa Triathlon.