programme are regular walk breaks and a very long run/walk, which peaks at 26 to 29 miles. Pierce's programme emphasises faster running – speedwork, a tempo run and a faster long run – on three running days, plus two cross-training days. "The philosophy
long runs that exceed three and a half hours, because they are too debilitating physically. The only time when it's better to train by distance is when you're doing speedwork on the track. Do a dress rehearsal Treat one of your longest runs
