2022-23 — Led team in 500 free (4:54.14), 1,000 free (10:04.70), 1,650 free (16:57.14), and 400 IM (4:27.01)… the 1,000 free time ranks ninth all-time at Iowa… placed 22nd in 1,650 free (17:01.98) and swam third leg on team-leading 800-free relay that placed 12th at Big Ten Championships (7:24.56)… won five individual events (three in 1,000 free, and one each in 500 free and 200 IM)… Big Ten Distinguished Scholar… President’s List student (Spring 2023)… Dean’s List student (Fall 2022, Spring 2023)… letterwinner.
2021-22 — Competed at Denison University… earned All-America honors in four events at the NCAA Division III Championships in 500 free (fifth, 4:52.27), 400 IM (fifth, 4:21.41), 1,650 free (fifth, 16:51.81) and as part of 800-free relay… NCAC conference champion in 1,650 free (16:48.22) and runner-up in 500 free (4:53.13) and 400 IM (4:23.23)… other best times were 1:52.23 (200 free), 4:52.27 (500 free), 4:21.41 (400 IM) and 16:47.31 (1,650 free).
High School — Two-time all-state, three-time team MVP and four-time all-conference selection… finished in the top 10 at state meet three times with her highest finish coming in 500 free, where she placed sixth in 2019… Academic All-American in golf, where she was an honorable mention all-conference selection… graduated Magna Cum Laude.
Personal — Daughter of Andy and Courtney O’Brien… father played baseball at St. Thomas… enterprise leadership major.
O’BRIEN’S COLLEGIATE BESTS
| Event | Time | Meet | Date |
| 500 Free | 4:52.27 | at NCAA Division III Championships | 2022 |
| 1,000 Free | 10:04.70 | vs. Iowa State | 12/9/22 |
| 1,650 Free | 16:47.31 | at NCAC Championships | 2022 |
| 200 IM | 2:08.76 | vs. Iowa State | 12/9/22 |
| 400 IM | 4:23.23 | at NCAC Conference Championships | 2022 |