Also swam for Unattached (2025). Best times below include every one of them.
Official 2025–26 season: best time from Sept 1 to Aug 31, in the age group Zach was when swimming it. Short course only.
Zach is 11.80 from the middle half of what these freshmen swam as seniors.
The middle half ran 48.77–52.77, median 49.69.
See how Zach's 100 Back compares at 3 top programs.
See every school, and how all 3 of Zach's events compare. PBs update as new results come in.
Best times from the senior season (Sept 1 to Aug 31) of 67 U.S. men 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 Zach's LSC: Central Zone North Sectionals, Central Zone North Summer Sectionals — the cuts, who has them, and how close Zach is.
USA Swimming time standards — 17-18 Boys