Olympic preparations intensify with ambitious targets set by British athletes and teams, while marathon champions prepare for major spring competitions and motorsport season gains momentum.

Usain Bolt targets 9.4 seconds in the 100m and 19 seconds in the 200m at London 2012 Olympics, aiming to set world-class performances and 'amaze' the world with his exceptional times.

UK Athletics head coach Charles van Commenee affirms confidence that the British Olympic squad can achieve the target of eight medals at the London Games.

UK Athletics will purchase tickets to guarantee that athletes' friends and families can attend and support them during their Olympic performances in London.

Emmanuel Mutai is determined to defend his London Marathon title despite recovering from typhoid fever contracted last month, demonstrating resilience ahead of Sunday's race.

Former marathon world record holder Haile Gebrselassie has abandoned his Olympic dream and will not compete in the London 2012 marathon, ending his bid to return to Olympic competition.

Guernsey's Lee Merrien is in peak form preparing for Sunday's London Marathon as he attempts to qualify for the Olympics, showcasing strong preparation for the qualifying event.

Olympic 400m hurdles gold contender Dai Greene confirms his Diamond League season opener in Rome on May 31, resuming competitive preparations for the Olympics.

In a head-to-head Vienna half marathon, Haile Gebrselassie decisively outpaced Paula Radcliffe in their 'Emperor versus the Queen' matchup, demonstrating continued competitiveness despite age.

British riders are targeting Moto2 and Moto3 championship titles in the 2012 season, with competitive racing expected outside the top MotoGP class.