swimJustin Zhang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.77 | A+0.68s to AA·+1.38s to Sectionals | 2025-12-13 | 2025 Katie Ledecky Invitationalvenue |
| 100 Freestyle | SCY | 1:46.54 | +45.15s to B·+58.05s to Sectionals | 2024-10-19 | 2024 MR LIAC Chappy's Invitational |
| 100 Backstroke | SCY | 2:11.18 | +64.39s to B·+76.69s to Sectionals | 2024-11-22 | 2024 MR LIAC Thanksgiving Invite |
| 50 Breaststroke | SCY | 29.68 | A+0.09s to AA·+3.39s to Futures | 2025-09-27 | 2025 MR FREE Season Startervenue |
| 100 Breaststroke | SCY | 1:05.55 | BB+0.86s to A·+4.06s to Sectionals | 2025-11-15 | 2025 MR FREE Freedom IMX Challengevenue |
| 200 Breaststroke | SCY | 2:30.15 | BB+9.36s to A·+15.16s to Sectionals | 2025-11-16 | 2025 MR FREE Freedom IMX Challengevenue |
| 100 Butterfly | SCY | 1:02.89 | B+1.50s to BB·+9.70s to Sectionals | 2025-01-01 | Metropolitan Swimming Club |
| 100 Individual Medley | SCY | 1:02.51 | 2024-12-21 | 2024 MR FREE Freedomfest | |
| 200 Individual Medley | SCY | 2:24.62 | B+5.73s to BB·+25.23s to Sectionals | 2025-01-01 | Sanction #: 230208 - 230256-TT |
| 50 Freestyle | SCM | 27.69 | BB+1.10s to A·+3.00s to Sectionals | 2024-05-19 | 2024 MR FREE May Meters Showdown (SCM)venue |
| 100 Freestyle | SCM | 1:11.12 | +3.33s to B·+17.23s to Sectionals | 2023-05-06 | 2023 MR FREE Freedom Meters Showdownvenue |
| 50 Breaststroke | SCM | 35.71 | BB+1.62s to A | 2023-05-06 | 2023 MR FREE Freedom Meters Showdownvenue |
| 100 Breaststroke | SCM | 1:16.96 | BB+5.47s to A·+7.97s to Sectionals | 2024-05-19 | 2024 MR FREE May Meters Showdown (SCM)venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 21.38 | flying | 200 Free Relay (leg 4) | 2025-09-27 | 2025 MR FREE Season Starter |
| 100 Breaststroke | SCY | 1:03.81 | flying | 400 Medley Relay (leg 2) | 2025-12-13 | 2025 Katie Ledecky Invitational |
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 17-18 · SCY
979 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:30.15 | 532 |
| 200 IM SCY | 2:24.62 | 447 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1596 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 2:11.18 | 51 |
| 100 BR SCY | 1:05.55 | 623 |
| 100 FL SCY | 1:02.89 | 475 |
| 200 IM SCY | 2:24.62 | 447 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:46.54
100 Breaststroke SCY 1:05.55
Front half 31.02s · back half 34.53s
200 Breaststroke SCY 2:30.15
Front half 68.79s · back half 81.36s
100 Individual Medley SCY 1:02.51
Front half 28.94s · back half 33.57s
200 Individual Medley SCY 2:24.62
100 Freestyle SCM 1:11.12
Front half 34.44s · back half 36.68s
100 Breaststroke SCM 1:16.96
Front half 34.92s · back half 42.04s
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.