Gebrselassie the running legend he is today.Over one of the most successful running careers of all time, Gebrselassie amassed 27 world records, two Olympic medals and eight world titles. We've trawled the archives to find some of the career highs and lows faced

for the Olympics, for example, must peak for an arduous trials process, then ramp up their performance again to place well at the Games themselves. When you keep returning to the well like this, how can you make sure the bucket doesn't come up empty? A

as many variants of this story as there are years since it took place back in 490BC, but the important bit is that from its very inception, the marathon had a historic reputation of being hardcore.Olympic recognitionSo hardcore, in fact, that it would

symptoms (such as unusual shortness of breath and sweating, dizziness or fainting) you should consult your doctor. This is especially important if you have a family history of heart disease.—Dr Gregory Whyte, research manager, British Olympic Medical Centre

Olympic golds (10,000m at Athens and Sydney) and has twice been Men's Track and Field Athlete of the Year. After leaving the track behind, he decided to focus on the marathon and has been recording stunning times ever since. In 2008's Berlin Marathon

He's broken the 100m world record three times and the 200m world record twice - but can Usain Bolt run even faster? Judging by the way he slowed down at the Olympic 100m final 10m from the finish, there's room for improvement. His form, according

(if needed) One-to-one coaching and support throughout the duration of your training from one of three top coaches - Steve Smythe, GB Olympic athlete Liz Yelling or Nick Anderson Personalised nutrition advice from the Lucozade Sport Performance

and making it such a special experience. Steve's generous advice and support has been amazing, not just for me but for all the others who he has helped through their training. I really enjoyed the forums - the questions, advice, support and general

, so you can change some specifics when reality sets in."—Jeff Galloway, former Olympic 10,000m runner11. Come ready to play"Fitness has to be fun. If it is not play, there will be no fitness. Play is the process. Fitness is merely the product

in training distances, anaerobic capacity, and strength." A chapter in the International Olympic Committee's 1992 book Endurance and Sport reported a study of runners who did 12 weeks of regular training, plus "hill training with ‘bounce running'." After