swimMason Zhang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.67 | B+1.78s to BB | 2026-02-15 | 2026 Metro Champs @ La Mirada Armada venue |
| 100 Freestyle | SCY | 1:07.30 | B+4.61s to BB | 2026-03-08 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 200 Freestyle | SCY | 2:27.89 | +0.10s to B | 2025-10-11 | 2025 CA Cerritos SC Swim Meet venue |
| 50 Backstroke | SCY | 35.37 | B+2.48s to BB | 2025-09-14 | 2025 DARE Launch & Lunge Season Opener venue |
| 100 Backstroke | SCY | 1:16.34 | +1.95s to B | 2026-03-08 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 200 Backstroke | SCY | 2:49.59 | +7.50s to B | 2026-02-15 | 2026 Metro Champs @ La Mirada Armada venue |
| 50 Breaststroke | SCY | 45.32 | +4.83s to B | 2024-11-10 | 2024 Downey Dolphins SC Meet venue |
| 100 Breaststroke | SCY | 1:33.68 | +9.39s to B | 2025-10-11 | 2025 CA Cerritos SC Swim Meet venue |
| 50 Butterfly | SCY | 35.56 | +0.87s to B | 2025-09-14 | 2025 DARE Launch & Lunge Season Opener venue |
| 100 Butterfly | SCY | 1:18.43 | +4.64s to B | 2025-10-11 | 2025 CA Cerritos SC Swim Meet venue |
| 100 Individual Medley | SCY | 1:20.31 | 2024-09-28 | 2024 DARE Metro Committee Sep Meet venue | |
| 50 Freestyle | LCM | 36.11 | +0.42s to B | 2025-05-31 | 2025 CA Downey Dolphins Swim Team LC Meet slow pool |
| 200 Freestyle | LCM | 3:02.58 | +12.59s to B | 2025-05-31 | 2025 CA Downey Dolphins Swim Team LC Meet slow pool |
| 100 Breaststroke | LCM | 1:54.39 | +17.20s to B | 2025-05-31 | 2025 CA Downey Dolphins Swim Team LC Meet slow pool |
| 100 Butterfly | LCM | 1:39.73 | +15.64s to B | 2025-05-31 | 2025 CA Downey Dolphins Swim Team LC Meet slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 31.25 | flat | 200 Free Relay | 2025-07-06 | 2025 Metro Committee Summer Festival |
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 · SCY
319 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:49.59 | 319 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1294 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:27.89 | 377 |
| 100 BK SCY | 1:16.34 | 344 |
| 100 BR SCY | 1:33.68 | 267 |
| 100 FL SCY | 1:18.43 | 306 |
| 200 IM 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 1:07.30
Front half 32.05s · back half 35.25s
200 Freestyle SCY 2:27.89
Front half 68.27s · back half 79.62s
200 Backstroke SCY 2:49.59
Front half 79.89s · back half 89.70s
100 Breaststroke SCY 1:33.68
Front half 45.56s · back half 48.12s
100 Butterfly SCY 1:18.43
Front half 35.65s · back half 42.78s
100 Individual Medley SCY 1:20.31
Front half 35.77s · back half 44.54s
Progression
Faster times are higher. One card per event, all courses & history.