Mason O'Connor
13 events38 swims8 meetsLast raced Nov 23, 2025
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Where Mason ranks
Current best: each age group's best time, against the swimmers in it now.
100 Free SCY1:00.86
FastestField
Boys 15-16 · best in age group · set Nov 2025Tap a row for the list
College OutlookWhat freshmen at the top 25 D1 programs swam as high school seniorsShow
50 Freestylevs 63 top-25 D1 men
Mason is 5.90 from the middle half of what these freshmen swam as seniors.
The middle half ran 20.16–21.48, median 20.79.
20.1621.4827.38
← FasterBand: middle half of freshmenSlower →
PLUSSchool by school
See how Mason's 50 Free compares at 5 top programs.
See every school, and how all 10 of Mason's events compare. PBs update as new results come in.
Which schools Mason is in range at is part of Plus.
Arizona State
North Carolina
Pittsburgh
Princeton
SMU
How the other events compare is part of Plus.
100 Freestyle1:00.86
200 Freestyle2:20.00
500 Freestyle6:33.18
1000 Freestyle13:15.19
100 Breaststroke1:20.34
200 Breaststroke2:57.64
100 Butterfly1:20.33
200 IM2:49.79
400 IM5:39.05
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 Mason's LSC: Central Zone North Sectionals, Central Zone North Summer Sectionals — the cuts, who has them, and how close Mason is.
Open Mason's full profile in the app
Race-day alerts, every cut, every PB drop, and the full meet plan — on iPhone and Android.
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USA Swimming time standards — 15-16 Boys
Other RISE Aquatic Club swimmers around Mason's age: Isla RapcanNina KamarauliPeyton WeiblerLauren VanwitzenburgMila Atieh