of nutrition, it ranks foods based on their effect on blood sugar levels.The rise in sugar levels is graded from 0 to 100; the higher the number, the faster the absorption of carbs. Foods such as oatcakes, strawberries and cashew nuts have a low GI (under 55
jump from Olympic distance to half-Ironman," says Maitland. "Many people make the mistake of not taking on enough food."Lyle Butler, a sub-10-hour age-group Ironman triathlete, advises pouring gels into small race-belt bottles. "I pour six gels into a
. If your shoes feel uncomfortable, stop and refit them. A minute lost now could save you 15 miles of painful blistering later on.Miles 10-13 You have a stitch. Try holding some deep breaths for a few seconds before exhaling. Alternatively, stop running
Dr Victor Thompson is a sports psychologist, as well as a keen triathlete who has represented Great Britain and Ireland. In 2005 he raced for Ireland at the Triathlon World Championships in Hawaii and in 2010 and 2011 he finished 11th in his age
at the Institute for Physiology and Anatomy in Germany. Leyk recently examined age-related changes in marathon performance among 300,757 runners, and found that among top-10 finishers, running times slowed by about 10.5 per cent per decade for men and 14.8 per cent
m.For example:> 20-25 x 100m, 15 seconds recovery> 12-16 x 150m, 20 seconds recovery> 8-10 x 250m, 30 seconds recovery> 5-6 x 400m, 60 seconds recoveryTry to keep a consistent swim stroke. As you progress, reduce rest intervals before increasing pace
50-55 per cent of your calories from carbs you should half-fill your plate with vegetables, fruits and some whole grains.Sass says the rest should be made up as follows: 25-30 per cent from fats (olive oil, avocado and so on) and 15-20 per cent from
wait until the last mile before increasing your pace. 10K? Ramp it up in the final two. Miles 10.1 onwards are the ones in which to up your game during a half and you can turn the screw anywhere from mile 20 in a marathon. 10:35 to 16:00 - Finish up You