Xiomara Del Rosario
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.13 | AAA+0.44s to AAAA | 2025-12-11 | 2025 East Coast WinterFest |
| 100 Freestyle | SCY | 52.38 | AAA+1.09s to AAAA | 2025-12-11 | 2025 East Coast WinterFest venue |
| 200 Freestyle | SCY | 1:55.46 | AAA+4.07s to AAAA | 2025-12-13 | 2025 East Coast WinterFest venue |
| 100 Backstroke | SCY | 57.76 | AAA+1.97s to AAAA | 2025-12-11 | 2025 East Coast WinterFest |
| 200 Backstroke | SCY | 2:06.01 | AAA+4.62s to AAAA | 2025-11-13 | MERC and CC November Invite |
| 50 Breaststroke | SCY | 29.39 | AAAA | 2025-12-11 | 2025 East Coast WinterFest |
| 100 Breaststroke | SCY | 1:03.90 | AAA+0.01s to AAAA | 2025-11-13 | MERC and CC November Invite |
| 200 Breaststroke | SCY | 2:25.14 | AAA+6.45s to AAAA | 2025-12-11 | 2025 East Coast WinterFest venue |
| 200 Individual Medley | SCY | 2:07.24 | AAA+2.65s to AAAA | 2025-11-13 | MERC and CC November Invite |
| 50 Freestyle | LCM | 27.42 | AAA+0.33s to AAAA | 2023-07-08 | 2023 NBAC Mid-Summer Classic venue |
| 100 Freestyle | LCM | 1:00.57 | AAA+1.98s to AAAA | 2023-07-09 | 2023 NBAC Mid-Summer Classic venue |
| 200 Freestyle | LCM | 2:11.09 | AAA+4.10s to AAAA | 2024-07-31 | 2024 YMCA Long Course Championships fast pool |
| 400 Freestyle | LCM | 4:45.44 | AA+4.85s to AAA | 2023-07-08 | 2023 NBAC Mid-Summer Classic venue |
| 800 Freestyle | LCM | 9:43.41 | AA+1.82s to AAA | 2024-01-01 | 2024 nbac mid summer classic final results pdf |
| 1500 Freestyle | LCM | 19:30.52 | A+6.43s to AA | 2025-06-30 | Chargers Mid Season Long Course Invitational |
| 50 Backstroke | LCM | 30.93 | AAAA | 2024-08-01 | 2024 YMCA Long Course Championships fast pool |
| 100 Backstroke | LCM | 1:07.14 | AAA+2.25s to AAAA | 2024-08-02 | 2024 YMCA Long Course Championships fast pool |
| 200 Backstroke | LCM | 2:34.30 | AA+6.51s to AAA | 2026-06-08 | Chargers Mid Season Long Course Invitational |
| 50 Breaststroke | LCM | 34.57 | AAAA | 2025-06-30 | Chargers Mid Season Long Course Invitational |
| 100 Breaststroke | LCM | 1:19.41 | AA+2.12s to AAA | 2024-01-01 | 2024 nbac mid summer classic final results pdf |
| 200 Breaststroke | LCM | 2:53.08 | AA+4.29s to AAA | 2025-06-30 | Chargers Mid Season Long Course Invitational |
| 50 Butterfly | LCM | 30.55 | AA+0.06s to AAA | 2023-07-09 | 2023 NBAC Mid-Summer Classic venue |
| 100 Butterfly | LCM | 1:13.00 | BB+0.81s to A | 2025-05-02 | Mercersburg and Chambersburg LCM Invite |
| 200 Individual Medley | LCM | 2:28.59 | AAA+5.90s to AAAA | 2024-01-01 | 2024 nbac mid summer classic final results pdf |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | LCM | 27.82 | flat | 200 Free Relay | 2024-07-31 | 2024 YMCA Long Course Championships |
| 50 Freestyle | LCM | 26.98 | flying | 200 Free Relay (leg 3) | 2023-07-07 | 2023 NBAC Mid-Summer Classic |
| 100 Freestyle | LCM | 1:00.96 | flat | 400 Free Relay | 2024-08-01 | 2024 YMCA Long Course Championships |
| 100 Freestyle | LCM | 1:00.92 | flying | 400 Free Relay (leg 3) | 2023-07-09 | 2023 NBAC Mid-Summer Classic |
| 100 Freestyle | LCM | 2:15.81 | flying | 400 Medley Relay (leg 4) | 2024-07-07 | 2024 NBAC Mid Summer Classic |
| 50 Backstroke | LCM | 32.68 | flat | 200 Medley Relay | 2023-07-07 | 2023 NBAC Mid-Summer Classic |
| 100 Backstroke | LCM | 1:11.37 | flat | 400 Medley Relay | 2023-07-08 | 2023 NBAC Mid-Summer Classic |
| 50 Breaststroke | LCM | 33.43 | flying | 200 Medley Relay (leg 2) | 2024-07-30 | 2024 YMCA Long Course 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 17-18 · LCM
3161 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:45.44 | 801 |
| 200 BK LCM | 2:34.30 | 735 |
| 200 BR LCM | 2:53.08 | 753 |
| 200 IM LCM | 2:28.59 | 872 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
4053 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:11.09 | 883 |
| 100 BK LCM | 1:07.14 | 886 |
| 100 BR LCM | 1:19.41 | 779 |
| 100 FL LCM | 1:13.00 | 633 |
| 200 IM LCM | 2:28.59 | 872 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 52.38
Front half 25.17s · back half 27.21s
200 Freestyle SCY 1:55.46
Front half 55.27s · back half 60.19s
200 Backstroke SCY 2:06.01 split/total mismatch
100 Breaststroke SCY 1:03.90 split/total mismatch
Front half 16.34s · back half 47.56s
200 Breaststroke SCY 2:25.14
Front half 70.28s · back half 74.86s
200 Individual Medley SCY 2:07.24 split/total mismatch
100 Freestyle LCM 1:00.57
Front half 29.31s · back half 31.26s
200 Freestyle LCM 2:11.09
Front half 63.23s · back half 67.86s
400 Freestyle LCM 4:45.44
Front half 140.92s · back half 144.52s
800 Freestyle LCM 9:43.41
Front half 288.71s · back half 294.70s
1500 Freestyle LCM 19:30.52 split/total mismatch
100 Backstroke LCM 1:07.14 RT 0.55s
Front half 32.44s · back half 34.70s
200 Backstroke LCM 2:34.30 · 320.0 min after 50 Freestylesplit/total mismatch
Front half 39.00s · back half 115.30s
100 Breaststroke LCM 1:19.41
Front half 37.05s · back half 42.36s
200 Breaststroke LCM 2:53.08 split/total mismatch
200 Individual Medley LCM 2:28.59
Front half 68.95s · back half 79.64s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.