the opposition, you'll gain a psychological advantage," says Gratton. Smythe agrees, but issues a warning: "There is no harm starting quickly for a short period, say the first 800m in a 5K or first mile in a marathon," he says, "but you should settle into your

the opposition, you'll gain a psychological advantage," says Gratton. Smythe agrees, but issues a warning: "There is no harm starting quickly for a short period, say the first 800m in a 5K or first mile in a marathon," he says, "but you should settle into your

accepted hydration wisdom you could be drinking too much.So, while drinking might not lead to any physiological benefits that help you to produce a better performance, the majority of studies do agree that there may be psychological benefits. "The most