swimWilliam Ma
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.28 | +6.89s to Sectionals | 2021-11-19 | 2021 MR BGNW Marlins November Invitational |
| 100 Freestyle | SCY | 1:06.41 | +17.92s to Sectionals | 2019-10-19 | 2019 MR YMID Fall Festival |
| 200 Freestyle | SCY | 1:50.71 | +4.42s to Sectionals | 2022-03-30 | 2024 Short Course Senior Zone Championships |
| 1650 Freestyle | SCY | 16:57.61 | +13.62s to Sectionals | 2022-03-30 | 2024 Short Course Senior Zone Championships |
| 100 Backstroke | SCY | 1:18.84 | +24.35s to Sectionals | 2019-10-05 | 2019 MR BGNW Marlins October Harvest Festival |
| 50 Breaststroke | SCY | 41.11 | +16.72s to US Open | 2019-10-05 | 2019 MR BGNW Marlins October Harvest Festival |
| 100 Breaststroke | SCY | 1:32.08 | +30.59s to Sectionals | 2019-10-19 | 2019 MR YMID Fall Festival |
| 200 Breaststroke | SCY | 2:15.95 | +0.96s to Sectionals | 2022-03-30 | 2024 Short Course Senior Zone Championships |
| 100 Butterfly | SCY | 53.54 | +0.35s to Sectionals | 2022-03-30 | 2024 Short Course Senior Zone Championships |
| 200 Butterfly | SCY | 1:57.15 | Sectionals ✓+12.36s to US Open | 2022-03-30 | 2024 Short Course Senior Zone Championships |
| 200 Individual Medley | SCY | 2:47.90 | +48.51s to Sectionals | 2019-10-19 | 2019 MR YMID Fall Festival |
| 400 Individual Medley | SCY | 4:17.20 | +2.11s to Sectionals | 2022-03-30 | 2024 Short Course Senior Zone Championships |
| 50 Freestyle | LCM | 35.99 | +10.50s to Sectionals | 2019-05-17 | 2019 mr pac spring starter invitational res |
| 100 Freestyle | LCM | 1:19.02 | +23.53s to Sectionals | 2019-05-17 | 2019 mr pac spring starter invitational res |
| 200 Freestyle | LCM | 2:49.98 | +48.69s to Sectionals | 2019-05-17 | 2019 mr pac spring starter invitational res |
| 50 Breaststroke | LCM | 49.67 | +20.48s to US Open | 2019-05-17 | 2019 mr pac spring starter invitational res |
| 100 Breaststroke | LCM | 1:47.41 | +37.72s to Sectionals | 2019-05-17 | 2019 mr pac spring starter invitational res |
| 50 Butterfly | LCM | 39.86 | +14.97s to US Open | 2019-05-17 | 2019 mr pac spring starter invitational res |
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
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 |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.