— Fall 2003: Jones is among several athletes to testify before a federal grand jury in San Francisco investigating BALCO.

— May 16, 2004: Jones insists she is drug-free and says she will sue if the U.S. Anti-Doping Agency bars her from competing in the Athens Olympics without a positive drug test.

— August 27, 2004: Jones goes home empty-handed from Athens. She finishes fifth in the long jump, and her 4x100 relay team fails to finish after a bad handoff.

— Dec. 7, 2004: The IOC opens an investigation into doping allegations against Jones after BALCO founder Victor Conte — who served a four-month prison term for his role in the steroid scandal — alleged he supplied her with an array of banned drugs before and after the Sydney Olympics.

— Dec. 15, 2005: Disgraced sprinter Tim Montgomery retires, two days after he was given a two-year ban based on evidence gathered in the BALCO investigation. He says he and Jones have split, although they remain in regular contact. They have a 2-year-old son, Monty.

— Feb. 5, 2006: Jones settles a $25 million federal defamation lawsuit against Conte filed in 2004, alleging Conte tarnished her reputation when he said on ABC's "20/20" that he supplied performance-enhancing drugs to Jones, Montgomery and Kelli White.

— Feb. 8, 2006: The International Olympic Committee says it will continue to investigate whether Jones was doping when she won five medals, including three gold, at the 2000 Sydney Games.

— June 23, 2006: In a triumphant return to her sport, Jones wins the 100 meters at the national championships. It was her 14th U.S. championship but first sprint title since 2002.

— June 24, 2006: Jones withdraws from the 200 meters at the U.S. championships just before the preliminaries. She warms up, but decides her legs are too tired after running three rounds of the 100.

— Aug. 18, 2006: Jones' "A" sample tested positive for the banned endurance-boosting hormone EPO at the June U.S. track and field championships in Indianapolis. For the next month, she is faced with the possibility of a two-year ban from the sport.

— Sept. 6, 2006: Jones' backup, or "B" sample, is negative. She is cleared of any wrongdoing and allowed to return to competition. "I am absolutely ecstatic," she says.