Olympic athletes prepare for London 2012 with ambitious goals, while marathon runners gear up for London Marathon amid health challenges and qualification bids.

Usain Bolt sets sights on breaking his own records at London 2012, targeting 9.4 seconds in the 100m and 19 seconds in the 200m to "amaze" the world.

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 announces it will purchase tickets to guarantee that athletes' friends and families can attend and watch them compete at the London Olympics.

Emmanuel Mutai remains determined to defend his London Marathon title despite recovering from typhoid fever contracted last month.

Guernsey runner Lee Merrien enters the London Marathon on Sunday in peak form as he attempts to secure Olympic qualification.

Marathon legend Haile Gebrselassie abandons his Olympic dreams and will not compete in the London 2012 marathon following health setbacks.

Haile Gebrselassie decisively defeats Paula Radcliffe in Vienna's "Emperor versus the Queen" half marathon showdown.

Olympic 400m hurdles gold medal hopeful Dai Greene announces his Diamond League season will launch in Rome on May 31st.

British riders are mounting strong challenges for the Moto2 and Moto3 titles in the 2012 MotoGP season, with competition expected to be fierce outside the top class.