swimWilli Chang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.06 | BB+0.37s to A | 2026-02-01 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 100 Freestyle | SCY | 1:00.29 | BB+2.40s to A | 2025-12-14 | 2025 CA GWSC Winter Age Group Invitational venue |
| 50 Backstroke | SCY | 30.54 | BB+0.15s to A | 2025-12-14 | 2025 CA GWSC Winter Age Group Invitational venue |
| 100 Backstroke | SCY | 1:06.84 | BB+3.05s to A | 2024-12-15 | 2024 CA GWSC/SCS WAG venue |
| 200 Backstroke | SCY | 2:26.36 | BB+7.37s to A | 2025-10-19 | 2025 CA OC Gold Aquatics Fall Invitational venue |
| 50 Butterfly | SCY | 29.14 | A+0.65s to AA | 2025-10-18 | 2025 CA OC Gold Aquatics Fall Invitational venue |
| 100 Butterfly | SCY | 1:05.68 | BB+2.49s to A | 2025-12-13 | 2025 CA GWSC Winter Age Group Invitational venue |
| 50 Freestyle | LCM | 31.10 | BB+0.51s to A | 2025-07-27 | 2025 CA SCS/RAA Summer A/G Champs venue |
| 50 Backstroke | LCM | 34.91 | A+1.02s to AA | 2026-06-11 | 2026 SCS June AG Invite venue |
| 100 Backstroke | LCM | 1:16.38 | BB+1.49s to A | 2024-07-25 | 2024 CA SCS/GWSC Summer A/G Champs slow pool |
| 50 Butterfly | LCM | 32.73 | A+0.64s to AA | 2026-06-13 | 2026 SCS June AG Invite venue |
| 100 Butterfly | LCM | 1:26.23 | +2.14s to B | 2024-07-25 | 2024 CA SCS/GWSC Summer A/G Champs 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.
IMX / IMR
IMX 13-14 · SCY
497 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:26.36 | 497 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1034 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:06.84 | 512 |
| 100 FL SCY | 1:05.68 | 522 |
| 200 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 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 1:00.29
Front half 28.77s · back half 31.52s
100 Backstroke SCY 1:06.84
Front half 32.99s · back half 33.85s
200 Backstroke SCY 2:26.36
Front half 71.32s · back half 75.04s
100 Butterfly SCY 1:05.68
Front half 29.73s · back half 35.95s
100 Backstroke LCM 1:16.38
Front half 37.09s · back half 39.29s
100 Butterfly LCM 1:26.23
Front half 39.78s · back half 46.45s
Progression
Faster times are higher. One card per event, all courses & history.