swimNathan Zhan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.43 | BB+0.04s to A | 2026-01-16 | 011626grym results |
| 100 Freestyle | SCY | 52.38 | A+1.09s to AA | 2025-11-15 | 2025 CT CPAC November AGQ venue |
| 500 Freestyle | SCY | 5:25.81 | BB+8.32s to A | 2025-02-07 | 020725wyw results |
| 50 Backstroke | SCY | 26.20 | A+0.11s to AA | 2025-12-14 | 2025 NE CRA Winter Invitational venue |
| 100 Backstroke | SCY | 57.20 | A+1.51s to AA | 2024-12-14 | 2024 NE CRA Winter Invitational venue |
| 200 Backstroke | SCY | 2:07.88 | BB+0.59s to A | 2025-11-15 | 2025 CT CPAC November AGQ venue |
| 50 Butterfly | SCY | 25.30 | AA+0.31s to AAA | 2025-12-11 | 2025 NE CRA Winter Invitational |
| 100 Butterfly | SCY | 57.58 | A+2.29s to AA | 2025-11-15 | 2025 CT CPAC November AGQ venue |
| 200 Butterfly | SCY | 2:22.53 | B+2.54s to BB | 2025-11-16 | 2025 CT CPAC November AGQ venue |
| 400 Individual Medley | SCY | 4:38.65 | BB+0.96s to A | 2025-11-14 | 2025 CT CPAC November AGQ venue |
| 50 Freestyle | LCM | 30.08 | BB+1.79s to A | 2023-05-07 | 2023 CT GRYM May LCM Invite slow pool |
| 100 Freestyle | LCM | 1:07.48 | B+0.79s to BB | 2023-05-06 | 2023 CT GRYM May LCM Invite slow pool |
| 400 Freestyle | LCM | 4:48.02 | BB+0.43s to A | 2025-05-16 | 051625grym results |
| 100 Backstroke | LCM | 1:05.83 | A+0.54s to AA | 2025-06-07 | 2025 NE CRIM JUNE TEAM SPECIATY venue |
| 200 Backstroke | LCM | 2:30.23 | BB+2.54s to A | 2026-05-01 | 050126zeus results |
| 100 Breaststroke | LCM | 1:34.68 | +4.79s to B | 2023-05-07 | 2023 CT GRYM May LCM Invite slow pool |
| 100 Butterfly | LCM | 1:06.13 | BB+0.14s to A | 2026-05-01 | 050126zeus results |
| 200 Butterfly | LCM | 2:47.63 | B+7.64s to BB | 2025-05-16 | 051625grym results |
| 200 Individual Medley | LCM | 2:30.96 | A+5.97s to AA | 2025-06-06 | 2025 NE CRIM JUNE TEAM SPECIATY |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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.
IMX / IMR
IMX 15-16 · LCM
2415 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:48.02 | 658 |
| 200 BK LCM | 2:30.23 | 635 |
| 200 FL LCM | 2:47.63 | 453 |
| 200 IM LCM | 2:30.96 | 669 |
| 200 BR LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · LCM
2422 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:05.83 | 738 |
| 100 BR LCM | 1:34.68 | 355 |
| 100 FL LCM | 1:06.13 | 660 |
| 200 IM LCM | 2:30.96 | 669 |
| 200 FR LCM | — | 0 |
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 25.08s · back half 27.30s
500 Freestyle SCY 5:25.81 split/total mismatch
100 Backstroke SCY 57.20
Front half 27.62s · back half 29.58s
200 Backstroke SCY 2:07.88
Front half 60.23s · back half 67.65s
100 Butterfly SCY 57.58
Front half 26.37s · back half 31.21s
200 Butterfly SCY 2:22.53
Front half 63.76s · back half 78.77s
400 Individual Medley SCY 4:38.65
Front half 130.65s · back half 148.00s
100 Freestyle LCM 1:07.48
Front half 31.91s · back half 35.57s
400 Freestyle LCM 4:48.02 split/total mismatch
100 Backstroke LCM 1:05.83
Front half 31.01s · back half 34.82s
200 Backstroke LCM 2:30.23 split/total mismatch
100 Breaststroke LCM 1:34.68
Front half 44.07s · back half 50.61s
100 Butterfly LCM 1:06.13 split/total mismatch
Front half 30.21s · back half 35.92s
200 Butterfly LCM 2:47.63 split/total mismatch
Front half 38.33s · back half 129.30s
200 Individual Medley LCM 2:30.96 split/total mismatch
Progression
Faster times are higher. One card per event, all courses & history.