Overview

• Summer McIntosh clocked 3min 54.18sec in the 400m freestyle at the Canadian trials, slicing more than a second off the previous world mark.
• Her swim eclipsed Ariarne Titmus’s 3:55.38 record set at the 2023 World Championships in Fukuoka.
• McIntosh followed up with an 800m freestyle victory in 8:05.07, edging close to Katie Ledecky’s 8:04.12 world best.
• Katie Ledecky captured the 1500m freestyle at the US Championships in 15:36.76, setting up a marquee showdown in Singapore.
• Ariarne Titmus is taking 2025 off and will provide commentary at the Australian trials rather than defend her titles.