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
P20 Once A Day (£18.45 for 200ml from chemistdirect.co.uk). If you have fair skin or a family history of melanoma, consider sun protective clothing and avoid midday runs. You should also have a coffee before you go, advise dermatologists from
and maintain a reasonable pace, you still only have about 2,000 calories worth of glycogen stored in your muscles – enough to get most runners to about mile 18 or 20," he says. "As glycogen reserves are used up and fatty acid metabolism increases, your heart
to make any post-run socials that are an integral part of any club's cohesion. "Mine's on my way home from work, so it's virtually impossible for me to justify not going – and I can enjoy a relaxing drink afterwards knowing I've got an easy 10-minute jog
