At 150, I was a triathlete. Now at 230, running is a BITCH. For the previous few year I would prepare in the spring for a 5k. I'd love to run a few. I always enjoyed the atmosphere of a race and the post race. But I just couldn't seem to get beyond 2.5 miles. I'd be ok out to 1, could sprint for 1/2 mile, but things just got nasty beyond that. Last year I was struggling up a small hill at the 1.5 point, hardly moving and completely out of breath. Just then, two smoking hot 110 pound chicks FEW by chatting to each other. It done me in. I didn't even make the effort this year to attempt....