feeling drained. "It should take about as much out of you as running for the same length of time at a steady pace – that way you can do it several times a week."The sessionThe key is the speed of the reps; as with races, you need to learn not to go off too

Have patience A 2003 study by the University of Houston in the USA found that the top three reasons for quitting exercise programs are lack of time, lack of motivation and lack of progress. The key to beating all three is patience: don’t try and run too fast

to infection.You should be more concerned with using and supplying your body with carbohydrate than trying to use fat as a fuel source.Q. After my harder sessions I use specific recovery products or chocolate milk, and it seems to make for far less muscle

. The key to beating all three is patience: don't try and run too fast or too far too soon. It's a common mistake to believe you should feel exhausted after every training session – this isn't true and will only cause you to give up your schedule. Start

Nick Morgan is Lead Sport Scientist at Lucozade Sport.Read the whole forum debateQ. Is there any benefit in doing my long runs without taking on any products? Would they then have an 'extra-bonus' effect on race day? MaracuyaA. There is school