Overview
- McIntosh said it was her first race of the season and called it her fastest in‑season swim to date.
- She was under her 3:54.18 world‑record pace for much of the race before touching in 3:55.37.
- Anna Peplowski placed second in 4:10.55 with Emma Weyant third in 4:11.25.
- The performance followed her withdrawal from October short‑course World Cup meets due to illness.
- Training partner Leon Marchand won the men's 400m freestyle in a personal‑best 3:44.70 at the same meet.