Nike has terminated the contract of one of its endorsers for the second time this week.
A young sprinter with high levels of testosterone braces to challenge a policy that, rather than leveling the playing field, discriminates against some athletes.
American sprinter Justin Gatlin finished the season undefeated by winning the 100 meters in 9.83 seconds at the IAAF world challenge meeting Sunday.
Nesta Carter of Jamaica was the only sprinter to dip below 10 seconds as he won the men's 100 meters at the DN Galan Diamond League meet on Thursday.
Former world-record holder Asafa Powell won a 100-meter race in Brazil in 10.02 seconds on Sunday, his fastest mark of the year.
American sprinters Justin Gatlin and Tori Bowie set the fastest times this year in the 200 and 100 meters respectively at the Herculis meeting on Friday.
The Court of Arbitration for Sport has reduced 18-month doping bans for Jamaican sprinters Asafa Powell and Sherone Simpson to just six months.
British sprinter Mark Cavendish pulled out of the Tour de France on Sunday ahead of the second stage with a shoulder injury.
Oscar Pistorius is a "paradox" whose past triumphs as a sprinter crossing the finish line with raised arms contrasted sharply with the daily, severe limitations that he endured because of his disability, a physician testified Thursday.
Allyson Felix won't run in her signature event, the 200 meters, this week in the U.S. championships.
Jamaican sprinter Asafa Powell will run in France on July 5, days before his doping hearing at sport's highest court.
Jamaican sprinters Asafa Powell and Sherone Simpson are free to compete again pending the outcome of their doping appeals.
Usain Bolt says he will skip the Golden Spike meet in the Czech Republic city of Ostrava and a Diamond League meet in Paris because he is behind with his training following a foot injury
Former 100-meter world record holder Asafa Powell has asked for his 18-month doping ban to be reduced to three months, arguing that he only committed a minor offense.
The U.S. Anti-Doping Agency said it will ask the court to dismiss a lawsuit filed by track coach Jon Drummond, calling the case "baseless."
Mel Patton, a double gold medal-winning sprinter at the 1948 London Olympics and a five-time NCAA champion, has died. He was 89.