Running

I'm not an avid runner, but a few weeks ago I ran in my first "race". It was only a 5k, and I did pretty well considering I hadn't really trained for it. Apparently the race was for pretty serious runners who just sprint it for fun; most finishers were running in under 20 minutes. As we were registering, I overheard a guy say "35 dollars for a 5k? Really? I can run a 10k for 35 dollars!" I just thought that was funny, is the guy getting more for his money? Seriously? Weird.