. If your BMI drops below 18.5, you're at risk of becoming weaker and slower. WEIGHT LOST 5K 10K HALF-MARATHON MARATHON 900g 12.4 secs 25 secs 52 secs 1:45 2.3kg 31 secs 1:02 2:11 4:22 4.5kg

of the participants running a 62-mile race consumed 14,000 millilitres of liquid; another who ran only 26 miles, drank only 280 millilitres. The latter runner, not surprisingly, showed the most loss of vascular fluid, resulting in thickened blood plasma and impaired

15 to 20 minutes after your workout. Don’t dilly dally.Having won the post-training skirmish, John Ivy moved into the big war zone. In 2003, he published a performance study that argued for C+P while you exercise. He gave his subjects a three

physiologist at the University of California in San Francisco, Engler, along with her twin sister and fellow PhD Marguerite, has spent the last 15 years researching the connection between diet and blood vessel health. In 2004, the Englers published the first

're all quitters, in the sense that we have dropped out of some activity at some time. There's nothing wrong with starting again (and again). Author of Psychodynamic Running: The Complete, Definitive Madman's Guide to Distance Running and the Marathon (£10.99

."NUTRITIONPass on the extra carbsBread, bagels, pasta, potatoes and pancakes - you just can't get enough, right? Wrong, says sports nutritionist Nancy Clark, author of Nancy Clark's Food Guide for New Runners (£12.95, Meyer & Meyer Sport). Running two or three miles

was already a marathon runner, and most of my runs were long and slow. My cross-country conqueror took a different tack. He focused on hard 1,200m intervals, subjecting his muscles to the kind of stress he’d face in competition. At times he also ran 400m

Oxygen Power: Performance Tables For Distance Runners in 1979. According to Daniels, who's rarely off by more than a smidgen or two, a VO2 max of 83 roughly suggests a 2:06 marathon.The problem is, Daniels is talking about the oxygen power of runners

of Sports Medicine, which calls for 590-1180ml per hour.For the first time in its 107-year history, the Boston Marathon this spring provided all 20,000 runners with a fold-out pamphlet from the American Running Association and the American Medical Athletic

miles 10 miles 5 10 x 400m 5 miles 14 miles 6 5 x 1200m 5 miles 15 miles 7 7 x 800m 8 miles 17 miles 8 3 x 1600m 10 miles 13 miles 9 12 x 400m 3 miles 18 miles