‘Psychs on Bikes’ try to keep Philly marathon runners from hitting the dreaded ‘wall’

Sarah Beck, one of the roughly 30,000 people to run the Philadelphia Marathon Sunday, found herself reaching the 18th mile marker next to a man on a bike, which is technically prohibited from the 26.2-mile racecourse. The man next to Beck was Mitchell Greene, the Philadelphia Marathon’s official sports psychologist. Read more…