Swim, Bike, Cheat?

The story mentions Rosie Ruiz, here's some footage from the Boston Marathon: https://www.youtube.com/watch?v=b81a39Q43PY

2012's 'Marathon Man' in the New Yorker covered similar issues: http://www.newyorker.com/magazine/2012/08/06/marathon-man?cu...

Interesting to see the endurance of cheating, given all the technical advancements in monitoring participants.