Based on Bentz 's personal best times , recent performances .
Where Bentz sits in the national rankings , the 200 butterfly , 200 IM and 400 IM events represent Bentz 's strongest opportunities to snatch up a U.S. Olympic roster spot .
Based on Bentz 's personal best times , recent performances and where he sits in the national rankings , the 200 butterfly , 200 IM and 400 IM events represent his strongest opportunities to snatch up a U.S. Olympic roster spot .