Ironman Kona: What are the chances of getting a Kona slot?

The second question (after "is there a specific qualifying time you need to get to Kona?" answer: there is no set time, unlike qualifying for Boston) is: then what are the odds of getting into Kona? Across all 25 Ironman races, here's the answer, by age group. You'll also want to know Kona Qualifying Slots by Event and Age Group and Example last Kona Qualifying Times, just to be sure.

The odds are literally off the chart for older age groups, ranging from 30% to 100%. But, of course, most triathletes are in the 25 to 44 year-old range.