swimZachary Rosa-Berrios
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.50 | A+0.81s to AA | 2025-03-06 | 2025 OKS Senior State Championship |
| 100 Freestyle | SCY | 53.06 | A+1.07s to AA | 2025-03-06 | 2025 OKS Senior State Championship |
| 200 Freestyle | SCY | 1:57.85 | A+4.26s to AA | 2025-03-06 | 2025 OKS Senior State Championship |
| 500 Freestyle | SCY | 5:18.96 | A+9.87s to AA | 2025-03-06 | 2025 OKS Senior State Championship |
| 1000 Freestyle | SCY | 11:36.98 | BB+25.19s to A | 2024-02-23 | 2024 OKS 14-Under SCY State Championships venue |
| 50 Backstroke | SCY | 42.99 | +10.30s to B | 2021-10-23 | 2021 AESC Halloween Meet slow pool |
| 100 Backstroke | SCY | 1:07.79 | B+3.30s to BB | 2024-02-23 | 2024 OKS 14-Under SCY State Championships venue |
| 200 Backstroke | SCY | 3:11.73 | +39.94s to B | 2022-02-25 | 2022 OKS SCY 14-Under State Championship venue |
| 50 Breaststroke | SCY | 45.03 | +7.54s to B | 2021-11-20 | 2021 Bison Aquatic Club Turkey Meet slow pool |
| 100 Breaststroke | SCY | 1:26.25 | +7.66s to B | 2022-11-20 | 2022 Bison Aquatic Club Turkey Meet slow pool |
| 50 Butterfly | SCY | 36.56 | +4.17s to B | 2022-02-25 | 2022 OKS SCY 14-Under State Championship venue |
| 100 Butterfly | SCY | 59.20 | BB+0.31s to A | 2025-03-06 | 2025 OKS Senior State Championship |
| 200 Butterfly | SCY | 2:10.97 | A+4.48s to AA | 2025-03-06 | 2025 OKS Senior State Championship |
| 100 Individual Medley | SCY | 1:27.45 | 2021-11-21 | 2021 Bison Aquatic Club Turkey Meet slow pool | |
| 200 Individual Medley | SCY | 2:40.26 | +6.07s to B | 2023-01-14 | KMSC Winter Invitational 2023 venue |
| 400 Individual Medley | SCY | 5:31.38 | B+23.49s to BB | 2023-01-28 | AESC Ice Breaker Meet 2023 venue |
| 50 Freestyle | SCM | 31.15 | B+1.56s to BB | 2023-02-11 | OKS DII SCY West Championships venue |
| 100 Freestyle | SCM | 1:12.61 | +2.62s to B | 2023-02-12 | OKS DII SCY West Championships venue |
| 100 Backstroke | SCM | 1:20.99 | +4.20s to B | 2023-02-11 | OKS DII SCY West Championships venue |
| 50 Breaststroke | SCM | 53.15 | +11.76s to B | 2022-02-12 | 2022 OKS DII SCY Championships WEST venue |
| 100 Breaststroke | SCM | 1:35.96 | +9.17s to B | 2023-02-12 | OKS DII SCY West Championships venue |
| 100 Butterfly | SCM | 1:24.11 | +8.22s to B | 2023-02-12 | OKS DII SCY West Championships venue |
| 200 Butterfly | SCM | 3:02.33 | +12.24s to B | 2023-02-11 | OKS DII SCY West Championships venue |
| 50 Freestyle | LCM | 27.10 | AA+0.91s to AAA | 2025-07-24 | 2025 OKS 11-Over Championships |
| 100 Freestyle | LCM | 59.97 | A+0.28s to AA | 2025-07-24 | 2025 OKS 11-Over Championships |
| 200 Freestyle | LCM | 2:18.23 | BB+1.04s to A | 2025-07-24 | 2025 OKS 11-Over Championships |
| 400 Freestyle | LCM | 5:04.17 | BB+12.08s to A | 2024-07-19 | 2024 OKS LCM State Championship |
| 800 Freestyle | LCM | 11:22.38 | B+28.09s to BB | 2023-06-25 | AESC Summer Splash 2023 venue |
| 1500 Freestyle | LCM | 21:26.79 | B+25.00s to BB | 2023-06-25 | AESC Summer Splash 2023 venue |
| 100 Backstroke | LCM | 1:12.21 | BB+2.62s to A | 2025-07-24 | 2025 OKS 11-Over Championships |
| 200 Backstroke | LCM | 2:38.76 | BB+7.67s to A | 2025-07-24 | 2025 OKS 11-Over Championships |
| 100 Breaststroke | LCM | 1:41.71 | +10.32s to B | 2023-06-04 | 2023 Stars of Summer venue |
| 200 Breaststroke | LCM | 3:51.82 | +31.93s to B | 2023-06-03 | 2023 Stars of Summer venue |
| 50 Butterfly | LCM | 40.43 | +3.94s to B | 2022-07-22 | 2022 OKS LCM State Championship |
| 100 Butterfly | LCM | 1:07.03 | A+2.54s to AA | 2025-07-24 | 2025 OKS 11-Over Championships |
| 200 Butterfly | LCM | 3:07.99 | +12.30s to B | 2023-07-21 | 2023 OKS LCM State Championship venue |
| 200 Individual Medley | LCM | 2:33.77 | BB+0.58s to A | 2025-07-24 | 2025 OKS 11-Over Championships |
| 400 Individual Medley | LCM | 5:47.43 | BB+18.14s to A | 2024-07-19 | 2024 OKS LCM State Championship |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.93 | flying | 200 Free Relay (leg 4) | 2023-02-26 | 2023 OKS 14-Under SCY State Championships |
| 50 Freestyle | SCY | 31.96 | flying | 200 Medley Relay (leg 4) | 2022-02-25 | 2022 OKS SCY 14-Under State Championship |
| 100 Freestyle | SCY | 1:07.41 | flying | 400 Free Relay (leg 4) | 2023-02-24 | 2023 OKS 14-Under SCY State Championships |
| 50 Butterfly | SCY | 34.31 | flying | 200 Medley Relay (leg 3) | 2023-02-25 | 2023 OKS 14-Under SCY State Championships |
| 100 Freestyle | LCM | 1:11.27 | flat | 400 Free Relay | 2023-07-22 | 2023 OKS LCM State Championship |
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 15-16 · LCM
2829 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:04.17 | 559 |
| 200 BK LCM | 2:38.76 | 538 |
| 200 BR LCM | 3:51.82 | 249 |
| 200 FL LCM | 3:07.99 | 321 |
| 200 IM LCM | 2:33.77 | 633 |
| 400 IM LCM | 5:47.43 | 529 |
IMR 15-16 · LCM
2727 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:18.23 | 614 |
| 100 BK LCM | 1:12.21 | 559 |
| 100 BR LCM | 1:41.71 | 287 |
| 100 FL LCM | 1:07.03 | 634 |
| 200 IM LCM | 2:33.77 | 633 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
1000 Freestyle SCY 11:36.98
Front half 347.38s · back half 349.60s
100 Backstroke SCY 1:07.79
Front half 32.89s · back half 34.90s
200 Backstroke SCY 3:11.73
Front half 90.65s · back half 101.08s
100 Breaststroke SCY 1:26.25
Front half 41.23s · back half 45.02s
100 Individual Medley SCY 1:27.45
Front half 40.49s · back half 46.96s
200 Individual Medley SCY 2:40.26
Front half 74.27s · back half 85.99s
400 Individual Medley SCY 5:31.38
Front half 160.32s · back half 171.06s
100 Freestyle SCM 1:12.61
Front half 34.71s · back half 37.90s
100 Backstroke SCM 1:20.99
Front half 38.29s · back half 42.70s
100 Breaststroke SCM 1:35.96
Front half 45.57s · back half 50.39s
100 Butterfly SCM 1:24.11
Front half 38.72s · back half 45.39s
200 Butterfly SCM 3:02.33
Front half 86.32s · back half 96.01s
1500 Freestyle LCM 21:26.79
100 Breaststroke LCM 1:41.71
Front half 49.72s · back half 51.99s
200 Breaststroke LCM 3:51.82
Front half 111.11s · back half 120.71s
200 Butterfly LCM 3:07.99
Front half 85.86s · back half 102.13s
Progression
Faster times are higher. One card per event, all courses & history.