Deandra van der Colff
She competed in the 50 m freestyle and 50 m butterfly events at the 2011 World Aquatics Championships and in the 50 m freestyle , 50 m breaststroke and 50 m butterfly events at the 2012 FINA World Swimming Championships ( 25 m ) . 
<triplet> 2011 World Aquatics Championships <subj> 2011 <obj> point in time