British sprinter Dwain Chambers set himself on a collision course with UK Athletics selectors when he won the 60 metres trial for the world indoor championships.

Chambers's selection for the March 7-9 Valencia championships is opposed by the governing body because he has served a two-year ban for doping.

However his win, in a dominant 6.56 seconds, would normally guarantee the 29-year-old a place in the team under the selection criteria.

"The hard part was the amount of pressure I was under," Chambers told BBC sport at the trials in Sheffield. "Winning it was everything.

"I have acknowledged that I made a mistake and that I'm over that," he added, with the crowd applauding his efforts despite the controversy.

Chambers said he wanted to start building up a reputation "as a good guy" and that using drugs was wrong. "My comeback has proven that I can do it clean," he declared.

Chambers said his performance warranted selection for Valencia and hoped the selectors would "do the right thing" when they met on Monday.

Asked whether he might have to resort to legal action, Chambers replied: "I'm leaving that to the lawyers. I'm just going to let my legs do the talking and the lawyers do all the walking.

"I've done my job and hopefully it's the job that's going to get me to the world indoors."

UKA wanted to prevent Chambers running because he has not been regularly drugs tested by them since 2006 after trying to forge a career in the NFL last year.

Niels de Vos, the chief executive of UK Athletics who has made clear his opposition to Chambers' selection, refused to comment on the likely outcome.

"I'm not on the selection panel...he will be treated absolutely the same as every other athlete that has won, or come second or third here today," he said. "But great win for him, well done."

Chambers tested positive for the designer steroid THG in 2003. He briefly returned to athletics in 2006 and was a member of Britain's gold medal winning 4x100 metres relay team at the European championships that year.

Reuters