As a marathon runner with a bicycle in the garage and memories of competitively swimming in High School I've long been tempted to try an Ironman. While I've been dissuaded by the staggeringly high registration fees ($600 to $1,000!) as this NY Times article points out the demand for Ironman slots continues to grow nevertheless.
The following PG-rated animated video which I found on Iron Brandon's site humorously ridicules the World Triathlon Corporation's attempt to bridge the supply-demand imbalance to their singular profit via their "Ironman Access" program (which, interestingly, was rescinded the day after its launch due to negative feedback):
Regardless, I sincerely respect anyone who can even finish an Ironman event, and even more-so with an incredible time in the marathon after having just completed a 2.4 mile swim and 112 mile bike leg. Here's a great video recap of Australian Chris McCormack's recent second Kona win; note his relaxed form while completing his 2:43:31 victorious marathon:
More Ironman humor: