Olympic preparations intensify with Bolt's ambitious targets and medal goals, while marathon season sees defending champion Mutai determined to retain title despite recent illness

Usain Bolt sets sights on world-class times at London 2012, targeting 9.4 seconds in the 100m and 19 seconds in the 200m to "amaze" spectators at the upcoming Olympics.

UK Athletics head coach Charles van Commenee expresses confidence that the British team can achieve its target of eight medals at the London Olympics.

UK Athletics commits to purchasing tickets for athletes' friends and families to attend and support them during competition at the London Olympics.

Emmanuel Mutai, defending London Marathon champion, remains determined to retain his title on Sunday despite recovering from typhoid fever contracted last month.

Haile Gebrselassie, former marathon world record holder, abandons his Olympic dream and will not compete in the London 2012 marathon.

Gebrselassie defeats Paula Radcliffe in Vienna's "Emperor versus the Queen" half marathon matchup, demonstrating continued competitive form.

Guernsey's Lee Merrien prepares to attempt Olympic qualification at Sunday's London Marathon, currently in peak form for the challenge.

Olympic 400m hurdles gold contender Dai Greene announces his Diamond League season opener will take place in Rome on May 31st.

British riders are positioned to compete fiercely for Moto2 and Moto3 titles in the 2012 MotoGP season, threatening top-class competition levels.