Distance Event Time Location Date Ref 4 x 50 m Medley relay (Mixed)[a] 1:37.17 Glasgow, Scotland 000000002013-12-21-0000December 21, 2013 [21] 4 × 100 m Medley relay (Mixed)[b] 3:23.05 Kazan, Russia 000000002015-08-08-0000August 8, 2015 [22] 4 × 100 m Medley relay (Women)[c] 3:45.20 Indianapolis, Indiana 000000002015-12-11-0000December 11, 2015 [23]