Caster Semenya returned to form by winning the 800 meters at the Notturna di Milano meet on Thursday, her last race before the Commonwealth Games in New Delhi.

Olympic champion Usain Bolt said American sprint rival Tyson Gay "probably just hates my guts" because he has dominated major championships.

David Rudisha of Kenya broke the men's 800-meter world record on Sunday, clocking 1 minute, 41.09 seconds just minutes after Caster Semenya successfully returned to the Berlin Olympic Stadium to win the women's race at the same distance.

Olympic champion hurdler champion Dayron Robles pulled out of this week's London Grand Prix because of leg injuries.

Usain Bolt's manager says the Olympic track star is taking the rest of 2010 off because of tightness in his lower back.

Organizers say Olympic champion Usain Bolt has confirmed he will run the 100 meters at the Diamond League meet in Stockholm in August, setting up a showdown against rivals Asafa Powell and Tyson Gay for the first time since last year's world championships.

Competitive cheerleading is not an official sport that colleges can use to meet gender-equity requirements, a federal judge ruled Wednesday in ordering a Connecticut school to keep its women's volleyball team.

Jamaican sprinters Usain Bolt and Asafa Powell go head-to-head for the first time this year in the 100 meters at the Diamond League meet in Paris on Friday.

Before last year, Texas A&M had never won an NCAA team title. Now, the Aggies can boast back-to-back championships for both their men and women.

Jamaican sprinter Asafa Powell has run the world's fastest 100-meter times this season but says he can only get better.

Usain Bolt won a rarely contested 300-meter race in 30.97 seconds in the rain at the Golden Spike meet on Thursday.

Usain Bolt won the 100 meters in 9.86 seconds in his season debut at the Daegu meet on Wednesday.