Zach Rosenbaum
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.11 | BB+0.52s to A | 2026-02-21 | 2026 OH BSC SC Regional Championships venue |
| 100 Freestyle | SCY | 57.93 | BB+2.14s to A | 2026-02-22 | 2026 OH BSC SC Regional Championships venue |
| 200 Freestyle | SCY | 2:39.82 | +17.23s to B | 2024-02-18 | 2024 OH UASC SC Regional Championships venue |
| 100 Backstroke | SCY | 1:13.35 | +1.96s to B | 2025-02-16 | 2025 OH BSC SC Regional Championships venue |
| 200 Backstroke | SCY | 2:30.90 | B+6.81s to BB | 2025-02-17 | 2025 OH BSC SC Regional Championships venue |
| 50 Breaststroke | SCY | 31.86 | A+0.17s to AA | 2026-02-22 | 2026 OH BSC SC Regional Championships venue |
| 100 Breaststroke | SCY | 1:12.54 | BB+3.45s to A | 2026-02-20 | 2026 OH BSC SC Regional Championships venue |
| 200 Breaststroke | SCY | 2:53.08 | B+10.29s to BB | 2025-02-16 | 2025 OH BSC SC Regional Championships venue |
| 50 Butterfly | SCY | 28.22 | A+0.93s to AA | 2026-02-21 | 2026 OH BSC SC Regional Championships venue |
| 100 Butterfly | SCY | 1:14.27 | +3.78s to B | 2025-02-15 | 2025 OH BSC SC Regional Championships venue |
| 100 Individual Medley | SCY | 1:21.93 | 2024-02-18 | 2024 OH UASC SC Regional Championships venue | |
| 200 Individual Medley | SCY | 2:26.14 | BB+10.75s to A | 2026-02-20 | 2026 OH BSC SC Regional Championships venue |
| 50 Freestyle | LCM | 30.78 | BB+1.39s to A | 2025-07-12 | 2025 OH SW LC Regional Champs venue |
| 100 Freestyle | LCM | 1:10.48 | B+0.69s to BB | 2025-07-13 | 2025 OH SW LC Regional Champs venue |
| 200 Freestyle | LCM | 2:35.99 | B+3.70s to BB | 2025-07-12 | 2025 OH SW LC Regional Champs venue |
| 50 Breaststroke | LCM | 47.67 | +3.58s to B | 2024-07-13 | 2024 OH CM LC Regional Champs venue |
| 100 Breaststroke | LCM | 1:31.22 | B+3.93s to BB | 2025-07-12 | 2025 OH SW LC Regional Champs venue |
| 200 Breaststroke | LCM | 3:22.22 | B+12.83s to BB | 2025-07-13 | 2025 OH SW LC Regional Champs venue |
| 50 Butterfly | LCM | 42.32 | +5.03s to B | 2024-07-14 | 2024 OH CM LC Regional Champs venue |
| 100 Butterfly | LCM | 1:40.59 | +20.30s to B | 2024-07-13 | 2024 OH CM LC Regional Champs venue |
| 200 Individual Medley | LCM | 2:57.84 | B+7.95s to BB | 2025-07-13 | 2025 OH SW LC Regional Champs venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.84 | flying | 200 Free Relay (leg 3) | 2024-02-18 | 2024 OH UASC SC Regional Championships |
| 50 Breaststroke | SCY | 42.54 | flying | 200 Medley Relay (leg 2) | 2024-02-19 | 2024 OH UASC SC Regional Championships |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 13-14 · SCY
1422 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:30.90 | 454 |
| 200 BR SCY | 2:53.08 | 435 |
| 200 IM SCY | 2:26.14 | 533 |
| 500 FR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
2156 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:39.82 | 299 |
| 100 BK SCY | 1:13.35 | 387 |
| 100 BR SCY | 1:12.54 | 576 |
| 100 FL SCY | 1:14.27 | 361 |
| 200 IM SCY | 2:26.14 | 533 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 57.93
Front half 27.07s · back half 30.86s
200 Freestyle SCY 2:39.82
Front half 76.60s · back half 83.22s
100 Backstroke SCY 1:13.35
Front half 35.46s · back half 37.89s
200 Backstroke SCY 2:30.90
Front half 72.95s · back half 77.95s
100 Breaststroke SCY 1:12.54
Front half 33.47s · back half 39.07s
200 Breaststroke SCY 2:53.08
Front half 82.02s · back half 91.06s
100 Butterfly SCY 1:14.27
Front half 34.42s · back half 39.85s
100 Individual Medley SCY 1:21.93
Front half 38.78s · back half 43.15s
200 Individual Medley SCY 2:26.14
Front half 70.30s · back half 75.84s
100 Freestyle LCM 1:10.48
Front half 33.64s · back half 36.84s
200 Freestyle LCM 2:35.99
Front half 74.39s · back half 81.60s
100 Breaststroke LCM 1:31.22
Front half 42.37s · back half 48.85s
200 Breaststroke LCM 3:22.22
Front half 97.03s · back half 105.19s
100 Butterfly LCM 1:40.59
Front half 46.04s · back half 54.55s
200 Individual Medley LCM 2:57.84
Front half 85.65s · back half 92.19s
Progression
Faster times are higher. One card per event, all courses & history.