swimJustin Zhou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.11 | A+0.72s to AA | 2025-01-11 | 2025 Kentridge HS Invitational BOYS OBSERVED venue |
| 100 Freestyle | SCY | 52.36 | A+1.07s to AA | 2024-12-14 | 2024 PN 14 & Under SC Champs venue |
| 200 Freestyle | SCY | 1:57.53 | BB+0.74s to A | 2024-10-05 | 2024 PN SMAC Fall Kick-Off Invitational venue |
| 50 Backstroke | SCY | 31.95 | +0.16s to B | 2024-01-27 | 2024 PN CSC Winter Invitational venue |
| 100 Backstroke | SCY | 1:02.83 | BB+4.74s to A | 2024-10-20 | 2024 PN IST Fall Open venue |
| 200 Backstroke | SCY | 2:18.50 | B+0.61s to BB | 2025-05-18 | 2025 PN SRST Pacific Coast Invitational venue |
| 50 Breaststroke | SCY | 29.38 | AA+0.49s to AAA | 2024-12-22 | 2024 WA State Senior Short Course Champs venue |
| 100 Breaststroke | SCY | 1:04.65 | A+1.46s to AA | 2024-12-13 | 2024 PN 14 & Under SC Champs venue |
| 200 Breaststroke | SCY | 2:21.11 | A+3.82s to AA | 2026-03-21 | 2026 NW Region Age Group Champs- Approved venue |
| 50 Butterfly | SCY | 25.32 | AA+0.33s to AAA | 2026-01-17 | 2026 PN SMAC Winter Invitational- Approved venue |
| 100 Butterfly | SCY | 55.84 | A+0.55s to AA | 2026-03-22 | 2026 NW Region Age Group Champs- Approved venue |
| 200 Butterfly | SCY | 2:00.58 | AA+2.19s to AAA | 2026-03-20 | 2026 NW Region Age Group Champs- Approved venue |
| 100 Individual Medley | SCY | 59.00 | 2025-01-12 | 2025 PN CSC Winter Invitational venue | |
| 200 Individual Medley | SCY | 2:05.27 | A+0.98s to AA | 2026-03-21 | 2026 NW Region Age Group Champs- Approved venue |
| 400 Individual Medley | SCY | 4:35.12 | A+9.03s to AA | 2024-10-05 | 2024 PN SMAC Fall Kick-Off Invitational venue |
| 50 Freestyle | LCM | 27.80 | A+0.71s to AA | 2024-06-16 | 2024 PN UPAC Cannonball Classic venue |
| 100 Freestyle | LCM | 1:00.76 | A+1.77s to AA | 2024-06-01 | 2024 PN VAST Summer Sprints and Distance Chal venue |
| 400 Freestyle | LCM | 4:55.02 | BB+7.43s to A | 2024-06-16 | 2024 PN UPAC Cannonball Classic venue |
| 50 Backstroke | LCM | 35.60 | B+0.41s to BB | 2025-06-29 | 2025 PN SMAC Summer Classic Invitational venue |
| 50 Breaststroke | LCM | 34.94 | A+0.55s to AA | 2024-06-01 | 2024 PN VAST Summer Sprints and Distance Chal venue |
| 100 Breaststroke | LCM | 1:15.26 | A+1.47s to AA | 2024-07-26 | 2024 PN LC 14&U Champs venue |
| 200 Breaststroke | LCM | 2:51.27 | BB+3.78s to A | 2024-07-25 | 2024 PN LC 14&U Champs venue |
| 50 Butterfly | LCM | 30.24 | A+0.75s to AA | 2025-06-14 | 2025 IST June Invtational venue |
| 100 Butterfly | LCM | 1:05.43 | A+2.24s to AA | 2026-06-14 | 2026 PN IST June Invtational- Approved venue |
| 200 Butterfly | LCM | 2:45.78 | B+5.79s to BB | 2025-06-29 | 2025 PN SMAC Summer Classic Invitational venue |
| 200 Individual Medley | LCM | 2:28.94 | A+3.95s to AA | 2026-04-25 | 2026 PN SMAC Spring Showers LC Challenge venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.43 | flat | 200 Free Relay | 2024-12-20 | 2024 WA State Senior Short Course Champs |
| 50 Freestyle | SCY | 23.97 | flying | 200 Free Relay (leg 2) | 2026-03-21 | 2026 NW Region Age Group Champs- Approved |
| 50 Freestyle | SCY | 25.40 | flying | 200 Medley Relay (leg 4) | 2024-01-27 | 2024 PN CSC Winter Invitational |
| 100 Freestyle | SCY | 53.74 | flying | 400 Free Relay (leg 2) | 2026-03-19 | 2026 NW Region Age Group Champs- Approved |
| 100 Breaststroke | SCY | 1:05.60 | flying | 400 Medley Relay (leg 2) | 2025-12-19 | 2025 WA State Senior SC Champs- APPROVED |
| 50 Butterfly | SCY | 25.33 | flying | 200 Medley Relay (leg 3) | 2026-03-20 | 2026 NW Region Age Group Champs- Approved |
| 100 Butterfly | SCY | 1:00.14 | flying | 400 Medley Relay (leg 3) | 2024-12-14 | 2024 PN 14 & Under SC Champs |
| 100 Butterfly | LCM | 1:14.91 | flying | 400 Medley Relay (leg 3) | 2024-07-26 | 2024 PN LC 14&U 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.
IMX / IMR
IMX 15-16 · SCY
3439 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:18.50 | 510 |
| 200 BR SCY | 2:21.11 | 699 |
| 200 FL SCY | 2:00.58 | 816 |
| 200 IM SCY | 2:05.27 | 737 |
| 400 IM SCY | 4:35.12 | 677 |
| 500 FR SCY | — | 0 |
IMR 15-16 · SCY
3359 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:57.53 | 653 |
| 100 BK SCY | 1:02.83 | 525 |
| 100 BR SCY | 1:04.65 | 710 |
| 100 FL SCY | 55.84 | 734 |
| 200 IM SCY | 2:05.27 | 737 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 52.36 RT 0.66s
Front half 25.22s · back half 27.14s
200 Freestyle SCY 1:57.53
Front half 56.83s · back half 60.70s
100 Backstroke SCY 1:02.83
Front half 30.79s · back half 32.04s
200 Backstroke SCY 2:18.50
Front half 67.31s · back half 71.19s
100 Breaststroke SCY 1:04.65 RT 0.64s
Front half 30.39s · back half 34.26s
200 Breaststroke SCY 2:21.11 RT 0.77s
Front half 68.93s · back half 72.18s
100 Butterfly SCY 55.84 RT 0.72s
Front half 26.06s · back half 29.78s
200 Butterfly SCY 2:00.58 RT 0.71s
Front half 56.70s · back half 63.88s
100 Individual Medley SCY 59.00
Front half 27.20s · back half 31.80s
200 Individual Medley SCY 2:05.27 RT 0.76s
Front half 59.02s · back half 66.25s
400 Individual Medley SCY 4:35.12
Front half 133.49s · back half 141.63s
400 Freestyle LCM 4:55.02 RT 0.74s
Front half 143.17s · back half 151.85s
200 Breaststroke LCM 2:51.27 RT 0.64s
Front half 82.72s · back half 88.55s
200 Butterfly LCM 2:45.78 RT 0.77s
200 Individual Medley LCM 2:28.94 RT 0.69s
Front half 69.36s · back half 79.58s
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.