Swimmer profile
Mackenzie O'Brien
Female15-16Mid-Michigan AquaticsMI · CENTRAL
| Meet | 50 Free SCY | 100 Free SCY | 200 Free SCY | 500 Free SCY | 50 Back SCY | 100 Back SCY | 200 Back SCY | 50 Breast SCY | 100 Breast SCY | 200 Breast SCY | 50 Fly SCY | 100 Fly SCY | 200 Fly SCY | 100 IM SCY | 200 IM SCY | 400 IM SCY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 MI Michigan Great Lakes Regional Championship - Lake SuperiorMar 8, 2026 | — | — | — | 5:35.23+4.22 | — | — | — | — | — | 2:38.28+2.74 | — | — | 2:17.22PB | — | — | — |
| 2026 MI JAWS "Last Chance" MeetMar 1, 2026 | 24.08PB | — | — | — | 27.37PB | — | 2:11.14PB | 31.49PB | — | — | 25.98PB | — | — | 59.25PB | 2:12.68+2.68 | — |
| 2026 MI Grand Rapids Open InvitationalFeb 8, 2026 | 24.53+0.45 | 53.02PB | 1:58.70PB | 5:31.01PB | — | 59.13PB | — | — | 1:10.88PB | 2:35.54PB | — | 58.43+1.18 | — | — | — | — |
| 2026 IN BBSC Circle City ClassicJan 24, 2026 | 24.75+0.67 | 53.35+0.33 | — | — | — | 59.56+0.43 | — | — | — | — | — | 58.48+1.23 | 2:26.88+9.66 | — | — | 4:47.97PB |