A couple of years ago I was on a trip to Budapest with a couple of friends. While roaming the streets we were passing by a casino and my friend insisted that there was a perfect strategy that would only lead to winning at roulette tables. Curious as I was I had him explain his theory. The system basically works as follows:
First, you place a coin on red. If red wins, take your winning and start over.
Recently I ran the St. Pat's 10 Miler in Atlantic City, Nj. It was my first official running event ever and I enjoyed it lot.
Shortly after the race the official results have been posted on the Internet. The data did not only include the number and times of the participants but also gender and age. Looking at the finisher time distribution it shows that most runners finished at around 90 minutes:
