to make those sessions not only bearable but enjoyable - time trialling.Time trials will not only improve your cardiovascular fitness, leg strength and speed endurance, they also replicate the bike leg of a triathlon so you can become used

To ride in a time trial you need a roadworthy bike. Helmets are recommended and some races insist on them. Prepare to be impressed by lots of professional-looking cyclists, but don't be overawed - they were beginners once.Develop a smooth, circular

for this level of effort; you'll find yourself thinking, "I can do this for a while, but if I go any harder, I'm going to tire out quickly." It lies close to your 20-40K time-trial power/effort, or 10K run pace/effort.Your goal is to remain under this level