, or running on uneven surfaces. Cure Walk it out. Avoid relapses by doing stretching and strengthening exercises. HITTING THE WALL Ouch You're out of energy. Science You've depleted your liver's supply of glycogen, and it can't maintain blood glucose
my mileage and practised running above 14,000 feet, but still I'd limped home after aggravating an old Achilles injury. Today I was ready for a charmed third try. I was fit, healthy and confident of a top-10 finish. Maybe I'd even break three hours
