Marion Jones was formally disqualified from all competitions since Sept 1. 2000, including the Sydney Olympics where she won five medals, after admitting last month to taking banned drugs.
U.S. anti-doping officials presented the Olympic champion with copies of an annotated ledger and calendar they believe may be a schedule of her steroid use.
Jones, who is expecting her first child with Tim Montgomery in July, has already outlined her plans to return to competition next year.
Triple Olympic champion Marion Jones made a shock departure when she walked off the track just before her preliminary race of the women's 100 metres.
Olympic champion Maurice Greene believes that the triple Olympic champion Jones gets her acceleration too early.
IOC set up a disciplinary commission to investigate allegations made against US sprinter Marion Jones by BALCO chief Victor Conte.
Written off before the championships started on Saturday, Montgomery belied his recent form with impressive performances in the opening rounds of the 100m
Marion Jones and Tim Montgomery should be free to compete in the Olympic Games since the drug allegations against them are not proven, IOC president Jacques Rogge said.
Disgraced former American Olympian Marion Jones made her professional basketball debut for the Tulsa Shock on Saturday.
Pfaff had coached Canada's Donovan Bailey to the 100-metre world record in 1996.
Both athletes are involved in the ongoing doping investigations.
List of Wimbledon women's singles champions after Iga Swiatek beat Amanda Anisimova in the final on Saturday:
Julien Alfred won the women's 100 metres final to claim Saint Lucia's first-ever Olympic medal.
Jamaica's 200 metres world champion Veronica Campbell-Brown has tested positive for a banned diuretic, sources close to Jamaican athletics told Reuters.
The International Olympic Committee (IOC) wants to introduce stricter new rules preventing athletes from keeping their medals when one of their team-mates commits a doping offence.
American sprinter Michael Johnson, one of the United States' most successful athletes, could lose his Sydney 2000 Olympics 4x400m gold medal after a former relay team mate admitted to doping. Antonio Pettigrew, a member of the Sydney Games gold-winning relay team that also included Johnson and twins Alvin and Calvin Harrison, told a San Fransciso court on Thursday he had used banned substances after the 1996 Olympic trials.
Former US sprinter Tim Montgomery, an Olympic gold medallist now banned from the sport, pleaded guilty on Thursday to distributing heroin. According to a guilty plea filed in federal court in Norfolk, Virginia, Montgomery faces at least five years in prison and a fine of up to $2 million.
Jamaica's Veronica Campbell-Brown has no intention of relinquishing her Olympic 200 metres title at this year's Beijing Games, even if she will probably start as favourite for the more prestigious 100 metres crown. The 25-year-old won the world title in the shorter sprint in Osaka last year and is aiming to become the first woman -- barring the now disgraced Marion Jones -- to win both in one Games since Florence Griffiths Joyner two decades ago.
The BAFTAs were held at London's Royal Festival Hall on February 16.
The US 4x400m relay team that won gold at the Sydney Games in 2000 have been stripped of their medals after Antonio Pettigrew admitted to doping, the International Olympic Committee (IOC) said on Saturday. It was the sixth American medal from the Sydney Games lost to doping in the past eight months after US sprinter Marion Jones was stripped of her five medals due to her doping confession last year.
The World record holder failed to make the US 100 metres team for next month's Olympics.
The 100 metres record holder received a letter from the U.S. Anti-Doping Agency alleging doping violations.