Caster Semenya reclaimed the South African 800-meter title on Saturday . The 23-year-old runner was stripped of her gold medal after a panel found she had been "systematically deceived" by an anti-doping agency and that there were grounds to believe she may have deliberately used banned substances Injury-hit Semenya is aiming to qualify for the World Championships .
Caster Semenya reclaimed the South African 800-meter title on Saturday . Olympic silver medalist won in 2 minutes , 5.05 near Cape Town . Injury-hit Semenya is aiming to qualify for the World Championships .