Long jumper dismisses funding and injury woes before World Championships

British athletes heading to Moscow for the World Championships next weekend are risking a similar fate to the absentee star sprinters Asafa Powell and Tyson Gay if they are taking dietary supplements, some of which may have been contaminated by products designed for body-builders.

Last weekend's Anniversary Games in London whetted the appetite for track and field again so here are the potential stars of the World Championships which begin on Saturday

Since his blistering run of 9.91sec in the 100 metres semi-final at the UK Trials, James Dasaolu has become something of an invisible man in sprinting terms. After becoming only the fourth Briton to dip under that dream 10sec barrier, the hope – in fact, expectation – was that Dasaolu would back that up... and soon.

Olympic heptathlon champion Jessica Ennis-Hill is expected to be out of action for around 15 weeks, after her coach, Toni Minichiello, revealed that her career would have been at risk had she not pulled out of the upcoming World Championships.

The Olympic champion is missing the World Championships in Moscow

The heptathlete has been ruled out of the World Championships in Moscow

The Olympic champion ruled out due to Achilles injury

Mo Farah will face fellow distance-running greats Kenenisa Bekele and Haile Gebrselassie at the Great North Run on 15 September.

Jessica Ennis-Hill's chances of winning heptathlon gold at the World Championships have been boosted by the defending champion, Tatyana Chernova, pulling out.

The Olympic long jump champion must still prove his fitness

After fastest Para 100m ever on Sunday, some think so – but their slow start is a major obstacle

The two stars of the track look set to battle it out for charity

Sir Chris Hoy tells Tim Rich that Britain’s gold medals and euphoria will soon dry up if we fail to back our future athletes now

That the last world record on this track went to a Paralympic athlete seemed a fitting finale to the closing act of the first part of the Olympic Stadium’s life. It has played host to the transformation of a movement and on Sunday it hosted a full-house of 65,000 to celebrate what Paralympic sport has become to this country in the space of a year. Outside the Paralympic Games it is the largest ever audience for such an event.