NEW : Team GB wins men 's 200-meter race . Aussie swimmer Rudy Garcia-Tolson wins third gold medal . Alan Fonteles Cardoso Oliveira athlete Jacqueline Freney makes transition from track to pool , wins silver . South Africa 's continues to hold huge lead in medals with Team GB second .
NEW : Alan Fonteles Cardoso Oliveira wins men 's 200-meter race . Aussie swimmer Jacqueline Freney wins third gold medal . Team USA athlete Rudy Garcia-Tolson makes transition from track to pool , wins silver . China continues to hold huge lead in medals with Team GB second .