swimKemin Zhang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.57 | BB+1.88s to A | 2024-12-13 | 2024 NE SHAWMUT Candy Cane Classic venue |
| 100 Freestyle | SCY | 1:03.42 | B+0.73s to BB | 2024-03-07 | 2024 NE Shawmut Gold Championship |
| 200 Freestyle | SCY | 2:13.06 | BB+6.37s to A | 2023-11-17 | 2023 ME ABF Nov Trial/Finals Meet |
| 500 Freestyle | SCY | 6:16.78 | B+6.59s to BB | 2024-12-13 | 2024 NE SHAWMUT Candy Cane Classic venue |
| 50 Backstroke | SCY | 32.18 | BB+1.79s to A | 2024-08-01 | 2024 NE CRA August End of Season Invite |
| 100 Backstroke | SCY | 1:10.34 | B+1.25s to BB | 2024-08-01 | 2024 NE CRA August End of Season Invite |
| 200 Backstroke | SCY | 2:30.60 | B+0.01s to BB | 2024-08-01 | 2024 NE CRA August End of Season Invite |
| 50 Breaststroke | SCY | 39.26 | B+1.67s to BB | 2024-11-17 | 2024 NE SAC Turkey Splash venue |
| 100 Breaststroke | SCY | 1:26.35 | +2.06s to B | 2024-10-06 | 2024 NE CS Fall Festival venue |
| 50 Butterfly | SCY | 31.02 | BB+1.33s to A | 2024-11-17 | 2024 NE SAC Turkey Splash venue |
| 100 Butterfly | SCY | 1:09.86 | B+1.37s to BB | 2024-08-01 | 2024 NE CRA August End of Season Invite |
| 200 Butterfly | SCY | 2:31.91 | BB+10.22s to A | 2024-08-01 | 2024 NE CRA August End of Season Invite |
| 100 Individual Medley | SCY | 1:13.37 | 2024-10-27 | 2024 NE ATST Western Mass Showdown slow pool | |
| 200 Individual Medley | SCY | 2:34.78 | B+1.89s to BB | 2024-12-13 | 2024 NE SHAWMUT Candy Cane Classic venue |
| 50 Freestyle | LCM | 32.24 | BB+1.65s to A | 2024-07-07 | 2024 NE ATST The British are Coming Last venue |
| 100 Freestyle | LCM | 1:09.72 | BB+2.63s to A | 2024-07-21 | 2024 NE BGSC LCM 11-14 Championships venue |
| 200 Freestyle | LCM | 2:43.00 | B+5.11s to BB | 2024-06-01 | 2024 NE CRA MIT Team Specialty LC Meet venue |
| 400 Freestyle | LCM | 5:37.86 | B+3.67s to BB | 2024-06-30 | 2024 NE SOLO Summer Sizzler venue |
| 800 Freestyle | LCM | 12:04.59 | B+26.90s to BB | 2024-06-02 | 2024 NE CRA MIT Team Specialty LC Meet venue |
| 50 Backstroke | LCM | 37.69 | BB+2.30s to A | 2024-07-26 | 2024 NE NSSC LCM Silvers Champs |
| 100 Backstroke | LCM | 1:20.40 | BB+5.51s to A | 2024-07-26 | 2024 NE NSSC LCM Silvers Champs |
| 200 Backstroke | LCM | 2:56.83 | B+0.64s to BB | 2024-07-07 | 2024 NE ATST The British are Coming Last venue |
| 50 Breaststroke | LCM | 47.46 | +1.57s to B | 2024-06-30 | 2024 NE SOLO Summer Sizzler venue |
| 100 Breaststroke | LCM | 1:39.75 | +2.56s to B | 2024-07-07 | 2024 NE ATST The British are Coming Last venue |
| 50 Butterfly | LCM | 35.87 | BB+2.38s to A | 2024-07-21 | 2024 NE BGSC LCM 11-14 Championships venue |
| 100 Butterfly | LCM | 1:21.28 | B+3.19s to BB | 2024-07-26 | 2024 NE NSSC LCM Silvers Champs |
| 200 Butterfly | LCM | 3:11.37 | +2.48s to B | 2024-06-01 | 2024 NE CRA MIT Team Specialty LC Meet venue |
| 200 Individual Medley | LCM | 3:00.41 | B+3.62s to BB | 2024-06-29 | 2024 NE SOLO Summer Sizzler venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 28.52 | flying | 200 Free Relay (leg 3) | 2025-02-01 | 2025 NE SAC Silver Championships |
| 50 Butterfly | SCY | 25.57 | flying | 200 Medley Relay (leg 3) | 2025-02-02 | 2025 NE SAC Silver Championships |
| 100 Freestyle | LCM | 1:10.21 | flat | 400 Free Relay | 2024-07-21 | 2024 NE BGSC LCM 11-14 Championships |
| 100 Butterfly | LCM | 1:23.45 | flying | 400 Medley Relay (leg 3) | 2024-07-20 | 2024 NE BGSC LCM 11-14 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 13-14 · SCY
1819 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:16.78 | 452 |
| 200 BK SCY | 2:30.60 | 456 |
| 200 FL SCY | 2:31.91 | 463 |
| 200 IM SCY | 2:34.78 | 448 |
| 200 BR SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
2180 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:13.06 | 518 |
| 100 BK SCY | 1:10.34 | 439 |
| 100 BR SCY | 1:26.35 | 342 |
| 100 FL SCY | 1:09.86 | 433 |
| 200 IM SCY | 2:34.78 | 448 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 6:16.78
Front half 186.55s · back half 190.23s
100 Backstroke SCY 1:10.34 split/total mismatch
Front half 34.83s · back half 35.51s
200 Backstroke SCY 2:30.60 split/total mismatch
100 Breaststroke SCY 1:26.35
Front half 41.64s · back half 44.71s
100 Butterfly SCY 1:09.86 split/total mismatch
Front half 33.00s · back half 36.86s
200 Butterfly SCY 2:31.91 split/total mismatch
Front half 36.74s · back half 115.17s
100 Individual Medley SCY 1:13.37
Front half 33.82s · back half 39.55s
200 Individual Medley SCY 2:34.78
Front half 70.00s · back half 84.78s
100 Freestyle LCM 1:09.72
Front half 33.09s · back half 36.63s
200 Freestyle LCM 2:43.00
Front half 77.23s · back half 85.77s
400 Freestyle LCM 5:37.86
Front half 168.26s · back half 169.60s
800 Freestyle LCM 12:04.59
Front half 361.29s · back half 363.30s
100 Backstroke LCM 1:20.40 split/total mismatch
Front half 38.17s · back half 42.23s
200 Backstroke LCM 2:56.83
Front half 86.65s · back half 90.18s
100 Breaststroke LCM 1:39.75
Front half 47.49s · back half 52.26s
100 Butterfly LCM 1:21.28 split/total mismatch
Front half 36.87s · back half 44.41s
200 Butterfly LCM 3:11.37
Front half 87.39s · back half 103.98s
200 Individual Medley LCM 3:00.41
Front half 81.27s · back half 99.14s
Progression
Faster times are higher. One card per event, all courses & history.