swimJustin Chen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.27 | A+0.18s to AA | 2025-02-22 | 2025 Lake Superior Regional Meet venue |
| 100 Freestyle | SCY | 50.42 | A+0.03s to AA | 2025-08-03 | 2025 MCSA Summer Senior Cup Championships |
| 500 Freestyle | SCY | 5:14.86 | A+13.17s to AA | 2024-11-01 | Greater Kalamazoo Arena Challenge |
| 50 Backstroke | SCY | 26.29 | A+0.60s to AA | 2025-02-23 | 2025 Lake Superior Regional Meet venue |
| 100 Backstroke | SCY | 57.89 | BB+0.60s to A | 2025-02-23 | 2025 Lake Superior Regional Meet venue |
| 50 Breaststroke | SCY | 25.81 | AAAA | 2026-03-29 | 2026 SCY ULTRA Championship Meet venue |
| 100 Breaststroke | SCY | 55.66 | AAAA | 2026-03-27 | 2026 SCY ULTRA Championship Meet venue |
| 200 Breaststroke | SCY | 2:07.22 | AAA+4.03s to AAAA | 2026-03-28 | 2026 SCY ULTRA Championship Meet venue |
| 50 Butterfly | SCY | 23.77 | AAA+0.38s to AAAA | 2026-03-29 | 2026 SCY ULTRA Championship Meet venue |
| 200 Butterfly | SCY | 2:03.93 | A+1.74s to AA | 2024-11-01 | Greater Kalamazoo Arena Challenge |
| 100 Individual Medley | SCY | 53.89 | 2026-03-28 | 2026 SCY ULTRA Championship Meet venue | |
| 200 Individual Medley | SCY | 2:10.16 | BB+1.97s to A | 2025-05-31 | 2025 West Coast vs The "D" Dual Meet venue |
| 50 Freestyle | LCM | 27.53 | A+0.84s to AA | 2024-06-01 | MLA Big Red Challenge venue |
| 100 Freestyle | LCM | 1:03.35 | BB+2.76s to A | 2024-06-02 | MLA Big Red Challenge venue |
| 200 Freestyle | LCM | 2:24.79 | B+0.40s to BB | 2024-06-22 | 2024 Summer Solstice Meet venue |
| 50 Backstroke | LCM | 31.69 | A+1.00s to AA | 2026-06-21 | 2026 Summer Solstice Meet venue |
| 50 Breaststroke | LCM | 31.46 | AAA+0.77s to AAAA | 2024-07-28 | 2024 LCM ULTRA Championship Meet fast pool |
| 100 Breaststroke | LCM | 1:10.11 | AA+0.92s to AAA | 2024-07-26 | 2024 LCM ULTRA Championship Meet fast pool |
| 200 Breaststroke | LCM | 2:37.28 | AA+6.29s to AAA | 2024-07-27 | 2024 LCM ULTRA Championship Meet fast pool |
| 50 Butterfly | LCM | 30.61 | BB+0.42s to A | 2024-06-22 | 2024 Summer Solstice Meet venue |
| 100 Butterfly | LCM | 1:12.78 | B+2.19s to BB | 2024-06-01 | MLA Big Red Challenge venue |
| 200 Individual Medley | LCM | 2:48.03 | B+7.14s to BB | 2024-06-02 | MLA Big Red Challenge venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 23.18 | flying | 200 Free Relay (leg 4) | 2025-02-22 | 2025 Lake Superior Regional Meet |
| 100 Freestyle | SCY | 49.80 | flying | 400 Free Relay (leg 2) | 2026-03-28 | 2026 SCY ULTRA Championship Meet |
| 50 Breaststroke | SCY | 25.68 | flying | 200 Medley Relay (leg 2) | 2026-03-27 | 2026 SCY ULTRA Championship Meet |
| 100 Breaststroke | SCY | 55.93 | flying | 400 Medley Relay (leg 2) | 2026-03-28 | 2026 SCY ULTRA Championship Meet |
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
2830 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:14.86 | 647 |
| 200 BR SCY | 2:07.22 | 875 |
| 200 FL SCY | 2:03.93 | 695 |
| 200 IM SCY | 2:10.16 | 613 |
| 200 BK SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2232 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 57.89 | 602 |
| 100 BR SCY | 55.66 | 1017 |
| 200 IM SCY | 2:10.16 | 613 |
| 200 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 57.89
Front half 27.86s · back half 30.03s
100 Breaststroke SCY 55.66
Front half 25.93s · back half 29.73s
200 Breaststroke SCY 2:07.22
Front half 60.25s · back half 66.97s
100 Individual Medley SCY 53.89
Front half 24.49s · back half 29.40s
200 Individual Medley SCY 2:10.16
Front half 63.45s · back half 66.71s
100 Freestyle LCM 1:03.35
Front half 29.63s · back half 33.72s
200 Freestyle LCM 2:24.79
100 Breaststroke LCM 1:10.11
Front half 32.38s · back half 37.73s
200 Breaststroke LCM 2:37.28
Front half 76.25s · back half 81.03s
100 Butterfly LCM 1:12.78
Front half 32.28s · back half 40.50s
200 Individual Medley LCM 2:48.03
Front half 80.74s · back half 87.29s
Progression
Faster times are higher. One card per event, all courses & history.