----- Original Message ----- From: <[log in to unmask]> Why do I run instead of lifting weights, a clearly superior activity? It's an experiment based on both Phinney's research as well to see if I, at 41 years old, can get back below 7 minutes a mile in what used to be my event: the 5K. Jim Swayze www.fireholecanyon.com Good luck Jim, Keep us posted on this one and when you're finished see how you fare with a circuit trial. Oliva