Most north American Ironman races sell out on the first day of registration. After that, several hundred enter sold out races via a Foundation Entry, which double the fee, with 50% going to Ironman Foundation charities. With all the demand to enter these races, it's remarkable that hundreds ultimately will never reach the starting line.
Of those who do start a north American Ironman, about 95% finish. The exceptions in 2010 were Louisville and St. George, where several hundred triathletes did not reach the finish line.
Ironman Cozumel Results Analysis
The average finish time for all triathletes in Ironman Cozumel was 12 hours, 40 minutes, a 31 minute improvement compared to the 2009 race. Most age groups experienced faster average times, as well.
Almost the entire differential came from a 30 minute bike split gain, to an average time of 6:06; the swim was slower by 4 minutes, the run faster by about the same amount. Individual race results can be found at ironmancozumel.com
Almost the entire differential came from a 30 minute bike split gain, to an average time of 6:06; the swim was slower by 4 minutes, the run faster by about the same amount. Individual race results can be found at ironmancozumel.com
North American Ironman DNF Rates: Finishers and DNF by Race
The average triathlete spend months, if not years, preparing to compete in an Ironman Triathlon, to finish the 2.4 mile swim, 112 mile bike ride and 26.2 mile marathon in less than 17 hours. In a typical North American Ironman, nearly 95% of those who start will ultimately finish the race. And it's interesting to note that even with a world-class field, Kona has a 7% DNF rate.
In 2010, two races deviated from this norm. The Inaugural Ironman St. George was far tougher than expected, leading to a 14% DNF on a very difficult course (we estimate 18% in 2011). In extreme heat, Ironman Louisville Kentucky had 16% DNF, though in previous years, the rate has been in the 5% to 7% range. Also see our DNS/DNF Analysis and the RunTri.com Challenge Index: Top 25 Toughest Ironman Triathlons.
In 2010, two races deviated from this norm. The Inaugural Ironman St. George was far tougher than expected, leading to a 14% DNF on a very difficult course (we estimate 18% in 2011). In extreme heat, Ironman Louisville Kentucky had 16% DNF, though in previous years, the rate has been in the 5% to 7% range. Also see our DNS/DNF Analysis and the RunTri.com Challenge Index: Top 25 Toughest Ironman Triathlons.
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