Swimmer profile
Mackenzie O'Brien
Female15-16Mid-Michigan AquaticsMI · CENTRAL
| Meet | 50 Free LCM | 100 Free LCM | 200 Free LCM | 50 Back LCM | 100 Back LCM | 50 Breast LCM | 100 Breast LCM | 50 Fly LCM | 100 Fly LCM | 200 Fly LCM | 200 IM LCM |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 MI West Michigan ClassicJul 12, 2026 | — | 1:01.42+0.62 | 2:17.05PB | — | 1:09.27+1.10 | — | 1:25.22+0.77 | — | 1:06.09+0.37 | 2:41.13PB | 2:33.04PB |
| 2026 MI 16th Annual Big Red ChallengeJun 7, 2026 | 28.14+0.22 | 1:01.48+0.68 | — | 31.92+0.06 | 1:10.68+2.51 | 37.00PB | 1:24.45PB | — | — | — | — |
| 2026 IN CZ East Spring Speedo SectionalMar 29, 2026 | 27.92PB | 1:00.80PB | — | 31.86PB | 1:08.17PB | — | — | 28.97PB | 1:05.72PB | — | — |