Ironman Florida has long been known for athletes blatantly drafting (read cheating) on the bike. The course is pancake flat which makes for perfect drafting conditions for those unwilling to abide by the rules.
At this weekend's race an intrepid triathlete mounted a camera on his helmet during the bike portion, and documented some of the more blatant drafting.
Add a bit of appropriate music, and what you end up with is an interesting video that makes a strong case for changing the current rules to a stronger form of drafting enforcement as clearly the current system does not catch all the cheaters.
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