Nathaniel Rosales
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.11 | A+0.52s to AA | 2024-03-03 | 2024 BD- SCY Championship venue |
| 100 Freestyle | SCY | 55.60 | A+2.11s to AA | 2023-10-28 | 2023 BD SWAToberfest Sprintacular venue |
| 200 Freestyle | SCY | 2:06.11 | BB+3.92s to A | 2023-02-26 | 2023 BD SCY Championship venue |
| 500 Freestyle | SCY | 5:59.47 | B+1.08s to BB | 2023-11-11 | 2023 TURKEY SPLASH INVITATIONAL BD slow pool |
| 50 Backstroke | SCY | 37.57 | +3.88s to B | 2020-02-08 | 2020 BD Arctic BLAST Swim Meet venue |
| 100 Backstroke | SCY | 1:02.13 | BB+0.94s to A | 2024-03-03 | 2024 BD- SCY Championship venue |
| 200 Backstroke | SCY | 2:29.77 | B+5.68s to BB | 2024-03-02 | 2024 BD- SCY Championship venue |
| 50 Breaststroke | SCY | 36.85 | B+1.06s to BB | 2022-10-22 | 2022 BD SWAToberfest Sprintacular venue |
| 100 Breaststroke | SCY | 1:14.26 | BB+5.17s to A | 2023-02-26 | 2023 BD SCY Championship venue |
| 200 Breaststroke | SCY | 2:45.81 | B+3.02s to BB | 2023-02-25 | 2023 BD SCY Championship venue |
| 50 Butterfly | SCY | 28.08 | A+0.79s to AA | 2023-10-28 | 2023 BD SWAToberfest Sprintacular venue |
| 100 Butterfly | SCY | 1:02.40 | BB+2.01s to A | 2023-10-29 | 2023 BD SWAToberfest Sprintacular venue |
| 100 Individual Medley | SCY | 1:05.34 | 2023-10-28 | 2023 BD SWAToberfest Sprintacular venue | |
| 200 Individual Medley | SCY | 2:20.07 | BB+4.68s to A | 2023-10-29 | 2023 BD SWAToberfest Sprintacular venue |
| 400 Individual Medley | SCY | 5:18.09 | B+4.50s to BB | 2023-02-24 | 2023 BD SCY Championship venue |
| 50 Freestyle | LCM | 30.21 | BB+0.82s to A | 2023-07-21 | 2023 BD LCM Border Champs |
| 100 Freestyle | LCM | 1:05.47 | BB+1.08s to A | 2023-07-21 | 2023 BD LCM Border Champs |
| 200 Freestyle | LCM | 2:27.80 | BB+7.21s to A | 2023-07-23 | 2023 BD LCM Border Champs venue |
| 400 Freestyle | LCM | 6:11.38 | +21.49s to B | 2022-05-22 | 2022 BD BLST Summer BLAST Swim Meet venue |
| 50 Backstroke | LCM | 38.88 | B+2.19s to BB | 2022-05-22 | 2022 BD BLST Summer BLAST Swim Meet venue |
| 100 Backstroke | LCM | 1:22.84 | B+5.15s to BB | 2024-06-08 | 2024 BD Poppa's Day Invitational venue |
| 200 Backstroke | LCM | 2:58.82 | B+9.83s to BB | 2024-06-09 | 2024 BD Poppa's Day Invitational venue |
| 50 Breaststroke | LCM | 45.52 | +1.43s to B | 2022-05-21 | 2022 BD BLST Summer BLAST Swim Meet venue |
| 100 Breaststroke | LCM | 1:27.47 | B+0.18s to BB | 2023-07-23 | 2023 BD LCM Border Champs venue |
| 200 Breaststroke | LCM | 3:13.65 | B+4.26s to BB | 2023-07-21 | 2023 BD LCM Border Champs |
| 50 Butterfly | LCM | 53.16 | +15.87s to B | 2019-01-01 | Border Swimming Short Course Champ. Meet |
| 100 Butterfly | LCM | 1:19.24 | B+4.65s to BB | 2023-07-22 | 2023 BD LCM Border Champs venue |
| 200 Individual Medley | LCM | 2:52.02 | B+2.13s to BB | 2024-06-08 | 2024 BD Poppa's Day Invitational venue |
| 400 Individual Medley | LCM | 6:04.53 | B+1.14s to BB | 2023-07-21 | 2023 BD LCM Border Champs venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 | 26.03 | flying | 200 Medley Relay (leg 4) | 2022-12-10 | 2022 BD EPAP Leo Cancellare Invitational |
| 50 Breaststroke | SCY | 41.86 | flying | 200 Medley Relay (leg 2) | 2019-12-14 | 2019 BD EPAP Leo Invitational |
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
2589 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:59.47 | 521 |
| 200 BK SCY | 2:29.77 | 464 |
| 200 BR SCY | 2:45.81 | 495 |
| 200 IM SCY | 2:20.07 | 605 |
| 400 IM SCY | 5:18.09 | 504 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
2996 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:06.11 | 608 |
| 100 BK SCY | 1:02.13 | 638 |
| 100 BR SCY | 1:14.26 | 537 |
| 100 FL SCY | 1:02.40 | 608 |
| 200 IM SCY | 2:20.07 | 605 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.60
Front half 26.51s · back half 29.09s
200 Freestyle SCY 2:06.11 RT 0.75s
Front half 60.05s · back half 66.06s
100 Breaststroke SCY 1:14.26 RT 0.70s
Front half 34.54s · back half 39.72s
200 Breaststroke SCY 2:45.81
Front half 79.08s · back half 86.73s
100 Butterfly SCY 1:02.40
Front half 28.58s · back half 33.82s
100 Individual Medley SCY 1:05.34
Front half 30.16s · back half 35.18s
200 Individual Medley SCY 2:20.07
Front half 65.69s · back half 74.38s
400 Individual Medley SCY 5:18.09 RT 0.74s
Front half 149.69s · back half 168.40s
200 Freestyle LCM 2:27.80 RT 0.77s
Front half 71.29s · back half 76.51s
400 Freestyle LCM 6:11.38
Front half 178.67s · back half 192.71s
100 Backstroke LCM 1:22.84
Front half 39.65s · back half 43.19s
200 Backstroke LCM 2:58.82
Front half 87.40s · back half 91.42s
100 Breaststroke LCM 1:27.47 RT 0.76s
Front half 40.82s · back half 46.65s
200 Individual Medley LCM 2:52.02
Front half 80.35s · back half 91.67s
400 Individual Medley LCM 6:04.53 RT 0.74s
Front half 177.86s · back half 186.67s
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.