Olympic preparations intensify with athlete support measures while marathon season and motorsport competitions heat up ahead of London 2012

Usain Bolt sets ambitious targets for London 2012 Olympics, aiming to run 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 GB team can achieve its eight-medal target at the London Olympics.

UK Athletics commits to purchasing tickets to guarantee that athletes' friends and families can attend and watch performances at the London Olympics.

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

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

Guernsey runner Lee Merrien aims to qualify for the Olympics at Sunday's London Marathon while performing in the best form of his career.

Olympic 400m hurdles gold hopeful Dai Greene announces his Diamond League season will begin in Rome on May 31, 2012.

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

British riders target Moto2 and Moto3 titles in the 2012 MotoGP season, with racing in lower classes expected to be highly competitive.