I remember when I did the Schilthorn Inferno Half Marathon about ten years ago in Switzerland and getting to the 20K mark. I was just finished. Kaput!
So I caught the nearest cable car to the top instead. It would have been ridiculously easy for me to rejoin the race at the top and claim a medal but, as you say, I could never live with myself. In fact, it never entered my head. They did take sympathy and give me a T-shirt however.
But I do recall doing the Copenhagen Half Marathon many years ago before the days of chips on shoes. It was a figure eight course and many at the crossover caught the bus to just before the finish line. Oddly, they didn't seem to think there was anything wrong with this approach.
Edited: 13/10/2011 at 11:48