Caster Semenya reclaimed the South African 800-meter title on Saturday . Olympic silver medalist won in 2 minutes , 2012 near Cape Town . 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 .