North Carolina says assistant track coach Antonio Pettigrew was found dead in Chatham County early Tuesday. Pettigrew was part of the 1,600-meter U.S. relay team that won the gold medal in the Sydney Olympics in 2000, but the International Olympic Committee stripped the team of the medals two years ago after Pettigrew admitted doping during a trial against former coach Trevor Graham.

Usain Bolt is calling it quits for 2010, cutting his season short because of tightness in his lower back less than a week after losing in the 100 meters to American rival Tyson Gay.

STOCKHOLM (AP) — Tyson Gay upset world record holder Usain Bolt in the 100 meters at the DN Galan meet in 9.84 seconds on Friday.

Fifty-year-old, seven-time Olympic sprinter Merlene Ottey surprised many last week when she appeared at the European championships.

From the AFP: WASHINGTON — Scientists have found the reason why blacks dominate on the running track and whites in the swimming pool: it’s in their belly-buttons, a study published Monday shows.

LAUSANNE, Switzerland (AP) — Usain Bolt won the 100 meters at the Athletissima meet in 9.82 seconds Thursday, returning from an Achilles’ tendon injury to match the year’s fastest time. The Jamaican beat countryman Yohan Blake (9.96) and Churandy Martina (10.16) of the Netherlands Antilles in a race created for Bolt after he pulled out […]

JOHANNESBURG — Caster Semenya’s lawyers have told South African television that gender test results obtained in February show she can compete as a woman.

JOHANNESBURG — Caster Semenya’s lawyers say they are still working with international track officials to settle the future of the 800-meter world champion, contradicting comments made earlier Wednesday by her coach.