Baltimore's fastest bullet has laid down his weapons but the Bob Bowman school of speed is on the move nonetheless: at the Junior Pan Pacs in Honolulu, Chase Kalisz (USA) cracked out a 4:12.59 victory in the 400m medley off splits of 58.82; 2:04.86 (1:06.04); 3:14.07 (1:09.21) and 58.52 on freestyle, that latter split just a touch inside Ye Shiwen's homecoming blast at London 2012. Keita Sunama (JPN), 4:19.28, and Gunnar Bentz (USA), 4:20.11, took the minor spoils but would not have been a match for Ye on freestyle.

The women's 400IM in Honolulu saw 15-year-old Becca Mann (USA) clock 4:39.76 for victory off splits of 1:03.85; 2:17.31 (1:13.46); 3:38.30 (1:20.99) and 1:01.46 on freestyle, that latter split very competitive in senior international waters apart from the schoolgirl going 58.6. Silver and bronze in Honolulu went to Keryn McMaster (AUS) in 4:41.63 and Celina Li (USA), on 4:42.17.

On day one of the meet, Mann took silver behind teammate Leah Smith in the 800m freestyle, 8:28.01 to 8:28.79, their contemporary, Katie Ledecky, 15, no longer part of the junior set, an Olympic champion on 8:14.63 in London.

Some traditions in the keeping: Japan's Akihiro Yamaguchi clocked 59.85 for a dominant win in the 100m breaststroke; and Canadians Kierra Smith and Mariya Chekanovich clocked 1:08.54 and 1:08.55 for a 1-2 finish in the 100m breaststroke ahead of Japan's Miku Kanasashi, 1:08.99.

In the 100m free finals, top honours went to Americans Matt Ellis, on 49.24 ahead of 17-year-old Australian Alexander Graham, 49.71, and Simone Manuel, on 54.80 ahead of 16-year-old Australian Ami Matsuo, on 55.36. Manuel also helped the USA 4x100m free quartet to gold in 7:59.06 in the 4x200m free relay, 4sec ahead of an Australian quartet that included Matsuo.

On the first day of action, a 54.07 win for Jack Conger (USA) in the 100m backstroke, a 1:57.40 200m 'fly triumph for Japan's Kenta Hirai and and Aussie 1-2 in the 1500m free, Mack Horton on 15:10.07, Jordan Harrison on 15:15.76 were among highlights.