swimNathan Pierce
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.70 | A+0.01s to AA | 2023-10-06 | 2023 ASC All Freestyle Meet |
| 100 Freestyle | SCY | 49.78 | AA+2.09s to AAA | 2023-10-06 | 2023 ASC All Freestyle Meet |
| 200 Freestyle | SCY | 1:55.52 | BB+0.63s to A | 2023-10-07 | 2023 ASC All Freestyle Meet venue |
| 500 Freestyle | SCY | 5:58.29 | B+19.50s to BB | 2022-12-10 | 2022 ASC Holiday Invitational venue |
| 100 Backstroke | SCY | 1:06.47 | +0.88s to B | 2023-02-05 | 2023 ASC Senior Meet venue |
| 200 Backstroke | SCY | 2:48.06 | +23.67s to B | 2022-01-09 | BAAC Splash 2022 slow pool |
| 50 Breaststroke | SCY | 33.58 | B+0.49s to BB | 2024-02-03 | 2024 ASC Senior Meet |
| 100 Breaststroke | SCY | 1:09.25 | BB+5.06s to A | 2024-02-23 | 2024 MD LSC Senior Champs venue |
| 200 Breaststroke | SCY | 3:12.48 | +29.59s to B | 2022-01-09 | BAAC Splash 2022 slow pool |
| 50 Butterfly | SCY | 24.87 | AA+0.58s to AAA | 2024-02-25 | 2024 MD LSC Senior Champs venue |
| 100 Butterfly | SCY | 56.41 | BB+0.22s to A | 2024-02-23 | 2024 MD LSC Senior Champs venue |
| 200 Butterfly | SCY | 2:27.86 | +0.37s to B | 2024-01-12 | 2024 Retriever Classic |
| 200 Individual Medley | SCY | 2:15.78 | BB+8.99s to A | 2023-03-11 | 2023 Speedo MD LSC JR Champs - FSC Site venue |
| 50 Freestyle | LCM | 26.48 | A+0.19s to AA | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 100 Freestyle | LCM | 58.96 | A+1.27s to AA | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 200 Freestyle | LCM | 2:17.95 | BB+6.36s to A | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 50 Backstroke | LCM | 34.99 | B+0.40s to BB | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet venue |
| 100 Backstroke | LCM | 1:23.07 | +4.88s to B | 2022-05-15 | 2022 NAAC BB & SLOWER MAY LCM MEET venue |
| 50 Breaststroke | LCM | 37.68 | BB+2.59s to A | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet venue |
| 100 Breaststroke | LCM | 1:27.14 | +0.05s to B | 2023-06-17 | 2023 ASC Independence Meet slow pool |
| 50 Butterfly | LCM | 27.32 | AAA+1.23s to AAAA | 2024-08-01 | 2024 MD LSC LC Championships venue |
| 100 Butterfly | LCM | 1:05.75 | BB+1.46s to A | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 200 Butterfly | LCM | 2:47.38 | B+11.59s to BB | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 200 Individual Medley | LCM | 2:38.79 | BB+10.70s to A | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 52.79 | flying | 400 Free Relay (leg 4) | 2023-03-11 | 2023 Speedo MD LSC JR Champs - FSC Site |
| 100 Butterfly | SCY | 59.07 | flying | 400 Medley Relay (leg 3) | 2023-03-12 | 2023 Speedo MD LSC JR Champs - FSC Site |
| 100 Freestyle | LCM | 59.45 | flying | 400 Free Relay (leg 2) | 2024-08-01 | 2024 MD LSC LC 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 · SCY
1904 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:58.29 | 439 |
| 200 BK SCY | 2:48.06 | 264 |
| 200 BR SCY | 3:12.48 | 252 |
| 200 FL SCY | 2:27.86 | 409 |
| 200 IM SCY | 2:15.78 | 540 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2776 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:55.52 | 652 |
| 100 BK SCY | 1:06.47 | 397 |
| 100 BR SCY | 1:09.25 | 528 |
| 100 FL SCY | 56.41 | 659 |
| 200 IM SCY | 2:15.78 | 540 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 1:55.52
Front half 55.25s · back half 60.27s
500 Freestyle SCY 5:58.29
Front half 176.13s · back half 182.16s
100 Backstroke SCY 1:06.47
Front half 32.64s · back half 33.83s
200 Backstroke SCY 2:48.06
100 Breaststroke SCY 1:09.25
Front half 32.47s · back half 36.78s
200 Breaststroke SCY 3:12.48
100 Butterfly SCY 56.41
Front half 24.48s · back half 31.93s
200 Individual Medley SCY 2:15.78
Front half 62.49s · back half 73.29s
100 Freestyle LCM 58.96
Front half 28.34s · back half 30.62s
200 Freestyle LCM 2:17.95
Front half 67.86s · back half 70.09s
100 Backstroke LCM 1:23.07 RT 0.84s
Front half 40.57s · back half 42.50s
100 Breaststroke LCM 1:27.14
Front half 40.88s · back half 46.26s
100 Butterfly LCM 1:05.75
Front half 29.14s · back half 36.61s
200 Butterfly LCM 2:47.38
Front half 79.66s · back half 87.72s
200 Individual Medley LCM 2:38.79
Front half 76.70s · back half 82.09s
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.