Men's Fitness Magazine named Las Vegas the "fattest city in the US", citing among other things that "Las Vegas residents are 60 percent less likely than average to go trail-running - the 2nd lowest rate in our survey". What? There are so many killer trails out there! (hello, Red Rocks...).But there are a lot of In 'n Out Burgers along the way too, and a bar or two from what I've heard. Perhaps it is time for the Las Vegas 100...Local TV article here, full article at Men's Fitness here.