Jamie Jack Trained with Cam McEvoy, Tim Lane in Lead-up to 21.4 50 Free in Irvine

Aussie sprinter Jamie Jack made noise at the 2025 US Summer Championships in Irvine last week. On day 1, he took victory in the 50 free over US Olympians Hunter Armstrong, Caeleb Dressel, and Brooks Curry, posting matching 21.63s in prelims and the final. But Jack still thought there was more in the tank. Taking a day of rest on Day 2, he time trialed the 50 free on Day 3, swimming a 21.43 to make him the 5th fastest