can take days off." And don't try to beat your run-to-work PB. "This will add pressure." Mix it up Running a different route everyday will keep you motivated. Go to sustrans.org.uk to find 12,000 miles of traffic-free routes near you. Come up
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
