Matthew Chang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.59 | B+1.90s to BB | 2025-09-27 | 2025 PVST Pentathlon venue |
| 100 Freestyle | SCY | 1:03.31 | B+2.92s to BB | 2025-10-12 | 2025 CA Paseo Fall Kickoff Season Opener venue |
| 200 Freestyle | SCY | 2:15.61 | B+3.22s to BB | 2026-02-21 | BUEN February Coastal Champs venue |
| 50 Backstroke | SCY | 33.49 | B+2.20s to BB | 2025-09-27 | 2025 PVST Pentathlon venue |
| 100 Backstroke | SCY | 1:11.67 | +0.28s to B | 2026-02-21 | BUEN February Coastal Champs venue |
| 50 Breaststroke | SCY | 33.19 | BB+0.10s to A | 2025-09-27 | 2025 PVST Pentathlon venue |
| 100 Breaststroke | SCY | 1:11.51 | BB+2.42s to A | 2025-12-19 | 2025 SI Winter Age Group Championships venue |
| 200 Breaststroke | SCY | 2:32.61 | BB+2.32s to A | 2026-02-21 | BUEN February Coastal Champs venue |
| 50 Butterfly | SCY | 33.44 | +0.25s to B | 2025-09-27 | 2025 PVST Pentathlon venue |
| 100 Butterfly | SCY | 1:28.84 | +18.35s to B | 2025-02-23 | 2025 CA BUENA Coastal Championship slow pool |
| 100 Individual Medley | SCY | 1:12.26 | 2025-09-27 | 2025 PVST Pentathlon venue | |
| 200 Individual Medley | SCY | 2:32.78 | B+6.09s to BB | 2025-11-16 | PVST Harvest Heats venue |
| 50 Freestyle | LCM | 32.46 | B+0.67s to BB | 2026-06-28 | 2026 CA SBSC Semana Nautica LC Meet venue |
| 100 Freestyle | LCM | 1:13.23 | B+3.44s to BB | 2026-03-29 | 2026 Class Aquatics Long Course Pentathalon - venue |
| 100 Backstroke | LCM | 1:21.91 | B+4.22s to BB | 2026-05-24 | BUEN Memorial Day LC Meet venue |
| 50 Breaststroke | LCM | 35.90 | AA+1.21s to AAA | 2026-06-28 | 2026 CA SBSC Semana Nautica LC Meet venue |
| 100 Breaststroke | LCM | 1:19.89 | A+2.70s to AA | 2026-03-29 | 2026 Class Aquatics Long Course Pentathalon - venue |
| 200 Breaststroke | LCM | 2:57.59 | BB+2.80s to A | 2026-06-28 | 2026 CA SBSC Semana Nautica LC Meet venue |
| 50 Butterfly | LCM | 43.01 | +5.72s to B | 2025-07-06 | Class-Malibu Waves July Invite venue |
| 100 Butterfly | LCM | 1:25.61 | +5.32s to B | 2026-03-29 | 2026 Class Aquatics Long Course Pentathalon - venue |
| 200 Individual Medley | LCM | 2:54.32 | B+4.43s to BB | 2026-05-24 | BUEN Memorial Day LC Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 Breaststroke | SCY | 31.80 | flying | 200 Medley Relay (leg 2) | 2025-12-19 | 2025 SI Winter Age Group Championships |
| 50 Freestyle | LCM | 30.85 | flying | 200 Free Relay (leg 3) | 2026-06-11 | 2026 SCS June AG Invite-CANY |
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 13-14 · LCM
1115 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR LCM | 2:57.59 | 628 |
| 200 IM LCM | 2:54.32 | 487 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 13-14 · SCY
2183 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:15.61 | 489 |
| 100 BK SCY | 1:11.67 | 415 |
| 100 BR SCY | 1:11.51 | 602 |
| 100 FL SCY | 1:28.84 | 211 |
| 200 IM SCY | 2:32.78 | 466 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.31
Front half 30.95s · back half 32.36s
200 Freestyle SCY 2:15.61
Front half 66.42s · back half 69.19s
100 Backstroke SCY 1:11.67
Front half 35.38s · back half 36.29s
100 Breaststroke SCY 1:11.51
Front half 33.62s · back half 37.89s
200 Breaststroke SCY 2:32.61
Front half 74.70s · back half 77.91s
100 Butterfly SCY 1:28.84
Front half 39.29s · back half 49.55s
100 Individual Medley SCY 1:12.26
Front half 33.85s · back half 38.41s
200 Individual Medley SCY 2:32.78
Front half 76.41s · back half 76.37s
200 Breaststroke LCM 2:57.59
Front half 86.54s · back half 91.05s
200 Individual Medley LCM 2:54.32
Front half 85.09s · back half 89.23s
Progression
Faster times are higher. One card per event, all courses & history.