, devastating mountain climbs, and muscle-crunching time trials - while the marathon is just one. A marathon runner simply has to get his skinny aerobic backside to the finish line as fast as possible. If he encounters hills along the way, that doesn't much

, ‘just a warm-up’. When it came to time for a time trial, the runners were so rested that they went out too fast and faded. But in a second trial, the group relaxed and ran their fastest.Start your marathon training early enough so that you can afford

in the August 2006 issue of the International Journal of Sport Nutrition and Exercise Metabolism, experienced cyclists performed 3.1 per cent better in a 30K time trial after six weeks of FRS supplementation than after a placebo drink. That's not the only

pace for improving your VO2max is your VO2max pace.Running a daily 11-minute race time trial isn’t the answer, either. It would quickly lead to chronic fatigue. Except when racing, don’t try to run continually for more than five minutes at VO2max pace