Motivation is high despite Tour dopers

Geraint Thomas (2nd right) is one of Great Britain's team pursuit riders

in track cycling.

The 22-year-old, who was part of the

GB team that broke the world record in Manchester,

is also a professional road cyclist,

riding for the Barloworld team.

Thomas will be competing in his first Olympics, in Beijing.

To view the diary, please use the link below:

http://www.bbc.co.uk/dna/606/A38643546