swimJoseph Liu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.81 | B+0.22s to BB | 2025-04-05 | 2025 Eastern Zone SC Age Group Championships venue |
| 200 Freestyle | SCY | 2:24.21 | BB+1.42s to A | 2026-01-23 | 2026 USAS IMX Games fast pool |
| 50 Backstroke | SCY | 31.99 | AA+0.20s to AAA | 2026-03-19 | 2026 NJS & Scarlet 11 & Over Gold Champs |
| 100 Backstroke | SCY | 1:09.15 | AA+0.56s to AAA | 2026-03-19 | 2026 NJS & Scarlet 11 & Over Gold Champs |
| 200 Backstroke | SCY | 2:27.13 | AAA+6.44s to AAAA | 2026-03-19 | 2026 NJS & Scarlet 11 & Over Gold Champs |
| 50 Breaststroke | SCY | 36.20 | AA+0.41s to AAA | 2026-03-19 | 2026 NJS & Scarlet 11 & Over Gold Champs |
| 100 Breaststroke | SCY | 1:20.85 | AA+3.56s to AAA | 2026-01-23 | 2026 USAS IMX Games fast pool |
| 50 Butterfly | SCY | 36.54 | BB+2.85s to A | 2025-04-04 | 2025 Eastern Zone SC Age Group Championships venue |
| 100 Butterfly | SCY | 1:16.76 | BB+1.17s to A | 2026-01-23 | 2026 USAS IMX Games fast pool |
| 100 Individual Medley | SCY | 1:17.28 | BB+1.99s to A | 2025-04-05 | 2025 Eastern Zone SC Age Group Championships venue |
| 200 Individual Medley | SCY | 2:35.98 | AA+6.69s to AAA | 2026-01-24 | 2026 USAS IMX Games fast pool |
| 50 Backstroke | LCM | 39.87 | A+1.38s to AA | 2025-08-08 | 2025 EZ LC Age Group Championship fast pool |
| 100 Backstroke | LCM | 1:25.39 | A+1.30s to AA | 2025-08-07 | 2025 EZ LC Age Group Championship fast pool |
| 50 Breaststroke | LCM | 43.62 | A+0.73s to AA | 2025-08-06 | 2025 EZ LC Age Group Championship fast pool |
| 100 Breaststroke | LCM | 1:37.55 | A+2.76s to AA | 2025-08-08 | 2025 EZ LC Age Group Championship fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:20.83 | flying | 400 Free Relay (leg 3) | 2025-04-04 | 2025 Eastern Zone SC Age Group Championships |
| 50 Breaststroke | SCY | 38.76 | flying | 200 Medley Relay (leg 2) | 2025-04-05 | 2025 Eastern Zone SC Age Group 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 11-12 · SCY
2288 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:09.15 | 636 |
| 100 BR SCY | 1:20.85 | 589 |
| 100 FL SCY | 1:16.76 | 456 |
| 200 IM SCY | 2:35.98 | 607 |
| 500 FR SCY | — | 0 |
IMR 11-12 · SCY
2757 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:24.21 | 533 |
| 50 BK SCY | 31.99 | 684 |
| 50 BR SCY | 36.20 | 658 |
| 50 FL SCY | 36.54 | 389 |
| 100 IM SCY | 1:17.28 | 493 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:24.21
Front half 69.77s · back half 74.44s
100 Breaststroke SCY 1:20.85
Front half 39.31s · back half 41.54s
100 Butterfly SCY 1:16.76
Front half 35.17s · back half 41.59s
100 Individual Medley SCY 1:17.28
Front half 36.01s · back half 41.27s
200 Individual Medley SCY 2:35.98
Front half 72.42s · back half 83.56s
100 Backstroke LCM 1:25.39
Front half 40.66s · back half 44.73s
100 Breaststroke LCM 1:37.55
Front half 45.13s · back half 52.42s
Progression
Faster times are higher. One card per event, all courses & history.