GETTY IMAGES Better sleep. That's all that could be standing between you and a new PB. Too good to be true? Not according to Mara Yamauchi, who set a new marathon PB (2:25:03) at the International Women's Marathon in Tokyo in November. "Sleep is one
specialist partner at international accounting firm DeloitteIn 2005 someone signed me up for a 5K race as a joke because I was the fat boy of the office. I decided to rise to the challenge, did some sneaky training and actually felt great on the day. I
their running to the next level."PRE-STARTIt's now that the pre-race nerves kick in. But it's not just your incessant back-and-forth pacing that's sapping vital energy stores – sizing up the competition and playing your mile-by-mile strategy on a mental loop can