(Novice Runner): Running Doubles?
Hi, I am a novice runner who ran a marathon 2 years ago at a 9 min/mile pace. I'm trying to get back into shape for marathon this fall or early next year, and I feel that I am not making much aerobic fitness progress running 3 miles/day 3 days a week with a long run of 10 miles on saturdays. I wanted to appeal to the…
