Current best: each age group's best time, against the swimmers in it now.
Madeleine is 39.65 from the middle half of what these freshmen swam as seniors.
The middle half ran 4:18.48–4:28.70, median 4:22.85.
Best times from the senior season (Sept 1 to Aug 31) of 93 U.S. women who joined the top 25 teams at the 2026 NCAA Division I Championships as freshmen in fall 2026, from official meet results. A school shows only with at least 5 freshmen in an event. A guide, not a guarantee.
Sectionals for Madeleine's LSC: Central Zone North Sectionals, Central Zone North Summer Sectionals — the cuts, who has them, and how close Madeleine is.
USA Swimming time standards — 15-16 Girls