Arena Pro Swim Series at Atlanta

WATCH: Chase Kalisz Drops 4:09 400m IM, World No. 1

WATCH: Chase Kalisz Drops 4:09 400m IM, World No. 1

Chase Kalisz, the 2016 Olympic silver medalist, became the first man in 2017 to break the 4:10 barrier in the 400 individual medley with a 4:09.43 at the arena Pro Swim Series at Atlanta Saturday night. Watch his race video courtesy USA Swimming.

May 7, 2017 by Maclin Simpson