swimAlvin Liu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 19.79 | 2017-02-11 | 2017 IES 14 & Under Junior Champs venue | |
| 50 Freestyle | SCY | 23.54 | 2026-01-10 | 2026 Kentridge High School Invitational- Obse venue | |
| 100 Freestyle | SCY | 53.93 | 2026-01-10 | 2026 Kentridge High School Invitational- Obse venue | |
| 200 Freestyle | SCY | 2:04.53 | 2023-11-18 | 2023 IE MRA Thankswimming Open venue | |
| 500 Freestyle | SCY | 5:36.32 | 2024-03-01 | 2024 IES Short Course Championships fast pool | |
| 25 Backstroke | SCY | 22.24 | 2017-01-28 | 2017 Winter Open venue | |
| 50 Backstroke | SCY | 30.07 | 2023-02-19 | 2023 IES JUNIOR CHAMPIONSHIPS venue | |
| 100 Backstroke | SCY | 1:04.45 | 2023-11-19 | 2023 IE MRA Thankswimming Open venue | |
| 200 Backstroke | SCY | 2:19.70 | 2023-10-15 | 2023 EAST/TCCC Octoberfest slow pool | |
| 25 Breaststroke | SCY | 24.32 | 2017-02-11 | 2017 IES 14 & Under Junior Champs venue | |
| 50 Breaststroke | SCY | 33.48 | 2023-09-23 | 2023 IE MRA Sprint Shootout venue | |
| 100 Breaststroke | SCY | 1:02.94 | 2023-03-03 | 2023 IES Short Course Championships | |
| 200 Breaststroke | SCY | 2:32.79 | 2023-11-19 | 2023 IE MRA Thankswimming Open venue | |
| 25 Butterfly | SCY | 24.13 | 2017-03-11 | 2017 IE Farewell To Short Course venue | |
| 50 Butterfly | SCY | 29.63 | 2023-02-19 | 2023 IES JUNIOR CHAMPIONSHIPS venue | |
| 100 Butterfly | SCY | 1:05.88 | 2024-01-28 | 2024 Winter Open venue | |
| 200 Butterfly | SCY | 2:30.18 | 2023-03-26 | 2023 IE Tony St. Onge Memorial venue | |
| 100 Individual Medley | SCY | 1:05.76 | 2023-09-23 | 2023 IE MRA Sprint Shootout venue | |
| 200 Individual Medley | SCY | 2:16.77 | 2023-11-19 | 2023 IE MRA Thankswimming Open venue | |
| 400 Individual Medley | SCY | 4:53.58 | 2024-01-28 | 2024 Winter Open venue | |
| 50 Freestyle | LCM | 28.32 | 2024-07-26 | 2024 IES LC CHAMPIONSHIPS venue | |
| 100 Freestyle | LCM | 1:03.33 | 2023-07-23 | 2023 IES LC Championships venue | |
| 200 Freestyle | LCM | 2:20.08 | 2024-07-14 | 2024 SUNBURN CLASSIC venue | |
| 400 Freestyle | LCM | 4:58.89 | 2023-07-21 | 2023 IES LC Championships venue | |
| 50 Backstroke | LCM | 50.03 | 2018-07-29 | 2018 Inland Empire Long Course Championships venue | |
| 100 Backstroke | LCM | 1:15.07 | 2024-07-13 | 2024 SUNBURN CLASSIC venue | |
| 200 Backstroke | LCM | 2:47.34 | 2023-06-02 | 2023 TRI-CITY INVITE venue | |
| 50 Breaststroke | LCM | 54.56 | 2018-07-28 | 2018 Inland Empire Long Course Championships venue | |
| 100 Breaststroke | LCM | 1:21.07 | 2024-07-14 | 2024 SUNBURN CLASSIC venue | |
| 200 Breaststroke | LCM | 2:54.61 | 2024-07-13 | 2024 SUNBURN CLASSIC venue | |
| 50 Butterfly | LCM | 52.12 | 2018-07-29 | 2018 Inland Empire Long Course Championships venue | |
| 100 Butterfly | LCM | 1:15.67 | 2024-07-14 | 2024 SUNBURN CLASSIC venue | |
| 200 Individual Medley | LCM | 2:37.97 | 2023-07-21 | 2023 IES LC Championships venue | |
| 400 Individual Medley | LCM | 5:39.26 | 2023-07-22 | 2023 IES LC Championships venue |
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 | 25.48 | flying | 200 Free Relay (leg 2) | 2023-03-05 | 2023 IES Short Course Championships |
| 50 Freestyle | SCY | 36.78 | flying | 200 Medley Relay (leg 4) | 2017-02-11 | 2017 IES 14 & Under Junior Champs |
| 25 Backstroke | SCY | 13.81 | flat | 100 Medley Relay | 2018-11-17 | 2018 IE MRA Thankswimming Open |
| 50 Backstroke | SCY | 30.51 | flat | 200 Medley Relay | 2023-03-04 | 2023 IES Short Course Championships |
| 100 Freestyle | LCM | 1:03.93 | flying | 400 Free Relay (leg 4) | 2024-07-27 | 2024 IES 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.
PR splits
100 Freestyle SCY 53.93 RT 0.68s
Front half 25.65s · back half 28.28s
200 Freestyle SCY 2:04.53
Front half 60.45s · back half 64.08s
100 Backstroke SCY 1:04.45
Front half 31.56s · back half 32.89s
200 Backstroke SCY 2:19.70
Front half 70.49s · back half 69.21s
50 Breaststroke SCY 33.48
Front half 15.69s · back half 17.79s
100 Breaststroke SCY 1:02.94 split/total mismatch
200 Breaststroke SCY 2:32.79
Front half 74.02s · back half 78.77s
100 Butterfly SCY 1:05.88
Front half 30.94s · back half 34.94s
200 Butterfly SCY 2:30.18
Front half 69.55s · back half 80.63s
100 Individual Medley SCY 1:05.76
Front half 30.96s · back half 34.80s
200 Individual Medley SCY 2:16.77
Front half 65.61s · back half 71.16s
400 Individual Medley SCY 4:53.58
Front half 139.36s · back half 154.22s
200 Freestyle LCM 2:20.08
Front half 68.61s · back half 71.47s
400 Freestyle LCM 4:58.89
Front half 147.33s · back half 151.56s
200 Backstroke LCM 2:47.34
Front half 82.86s · back half 84.48s
200 Breaststroke LCM 2:54.61
Front half 85.31s · back half 89.30s
200 Individual Medley LCM 2:37.97
Front half 75.86s · back half 82.11s
400 Individual Medley LCM 5:39.26
Front half 165.48s · back half 173.78s
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.