William Ma
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.28 | 2021-11-19 | 2021 MR BGNW Marlins November Invitational | |
| 100 Freestyle | SCY | 1:15.02 | 2026-05-09 | AAA League Championship Meet 2026 venue | |
| 200 Freestyle | SCY | 1:50.71 | 2022-03-30 | 2024 Western Zone SCY Senior Zones | |
| 1650 Freestyle | SCY | 16:57.61 | 2022-03-30 | 2024 Short Course Senior Zone Championships | |
| 100 Backstroke | SCY | 1:19.19 | 2001-03-31 | BGC-N. Westchester Marlins | |
| 100 Breaststroke | SCY | 1:00.31 | 2025-02-08 | 2025 WCD 4A Boys H.S. District Champs venue | |
| 200 Breaststroke | SCY | 2:15.95 | 2022-03-30 | 2024 Short Course Senior Zone Championships | |
| 100 Butterfly | SCY | 52.20 | 2025-02-07 | 2025 WCD 4A Boys H.S. District Champs venue | |
| 200 Butterfly | SCY | 1:57.15 | 2022-03-30 | 2024 Short Course Senior Zone Championships | |
| 400 Individual Medley | SCY | 4:19.37 | 2022-03-30 | 2024 Short Course Senior Zone Championships | |
| 200 Freestyle | LCM | 2:49.98 | 2019-01-01 | 2019 mr pac spring starter invitational res | |
| 50 Breaststroke | LCM | 49.67 | 2019-01-01 | 2019 mr pac spring starter invitational res | |
| 100 Butterfly | LCM | 1:19.02 | 2019-01-01 | 2019 mr pac spring starter invitational res |
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.18 | flying | 200 Free Relay (leg 2) | 2026-05-09 | AAA League Championship Meet 2026 |
| 100 Freestyle | SCY | 51.36 | flying | 400 Free Relay (leg 2) | 2025-02-08 | 2025 WCD 4A Boys H.S. District Champs |
| 50 Breaststroke | SCY | 27.92 | flying | 200 Medley Relay (leg 2) | 2024-02-17 | 2024 PN OB WIAA 4A Boys H.S. Champs |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
100 Backstroke SCY 1:19.19
Front half 36.67s · back half 42.52s
100 Breaststroke SCY 1:00.31
Front half 28.59s · back half 31.72s
100 Butterfly SCY 52.20
Front half 24.52s · back half 27.68s
Progression
Faster times are higher. One card per event, all courses & history.