Runner's World talks to Steve Edwards, 48, the man who knows all there is to know about running the legendary 26.2 miles"I ran my first marathon aged 18. It was my first-ever race: Coventry was holding its first marathon, and I had a bet with some

. Marathon Man: Steve EdwardsGet inspired by Steve Edwards who has notched up a whopping 500 sub-4:00 marathons. .

-jogging; 1:36 on a ski machine; 1:15 on a step machine; 1:36 on an exercise bike; and 1:36 on a rowing machine.10. I need strong legs for running, why should I work on my upper body?There's no doubt that your legs are your main priority when it comes