Earlier Ewan Jackson was off his best to be 31st fastest in the 200m freestyle heats and his Howick Pakuranga clubmate Corey Main was also outside his entry time to be 26th fastest in heats of the 100m backstroke.
North Shore's Melissa Ingram was 21st fastest in the heats of the 100m backstroke in 59.36, with a solid second half of the race as she prepares for her favoured 200m backstroke.
Two New Zealanders are in action tonight (NZT) led by Lauren Boyle in the 800m freestyle and Christchurch's Cameron Simpson in the 50m freestyle.
The meet continues until Monday (NZ time).
Day 1 finals results:
Men 200m freestyle: Ryan Lochte (USA) 1:41.92, 1; Paul Biedermann (GER) 1:42.07, 2; Conor Dwyer (USA) 1:43.78, 3. Also: Matthew Stanley (NZL) 1:44.45, 6.