stomach. As you breathe in, concentrate on making the book rise.4. When does a jogger become a runner - do I have to run a marathon?It's a bit of a false distinction really. Very few of us can seriously claim any real excellence in our sport

distance run at an easy-does-it pace is your standard bearer. It gives you a foundation for racing and, if you like, can serve as a springboard to the marathon.Aim for three steady runs per week; 60 minutes (your long, clean-out-the-tubes run), 40 minutes

for this purpose. We have many students training for various events in hot conditions including the Marathon des Sables. We cannot mimic the exact conditions, but when you do an intense 90-minute cardiovascular workout in 100 degrees heat and 60 per cent humidity