swimWilliam Lyu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.61 | B+1.72s to BB | 2025-12-06 | 2025 CA STOP December ABC Meet venue |
| 100 Freestyle | SCY | 1:11.04 | +3.45s to B | 2025-11-08 | Orange Committee's November ABC Meet SOCAL venue |
| 50 Backstroke | SCY | 35.47 | +0.08s to B | 2025-12-07 | 2025 CA STOP December ABC Meet venue |
| 100 Backstroke | SCY | 1:18.72 | +4.33s to B | 2025-12-06 | 2025 CA STOP December ABC Meet venue |
| 50 Butterfly | SCY | 34.86 | +0.17s to B | 2025-12-07 | 2025 CA STOP December ABC Meet venue |
| 100 Butterfly | SCY | 1:22.80 | +9.01s to B | 2025-09-21 | 2025 CA STOP Back To School Invite venue |
| 50 Backstroke | LCM | 39.42 | B+1.13s to BB | 2026-04-11 | 2026 FAST Orange Committee April BB Min Meet venue |
| 50 Butterfly | LCM | 37.42 | B+1.13s to BB | 2026-05-03 | 2026 CA MVN May BB Min LCM venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:10.71 | flat | 400 Free Relay | 2025-07-19 | 2025 CA GOLD OC Summer Championhip SCY |
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
IMR 13-14 · SCY
573 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:18.72 | 313 |
| 100 FL SCY | 1:22.80 | 260 |
| 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 1:11.04
Front half 34.26s · back half 36.78s
100 Backstroke SCY 1:18.72
Front half 38.04s · back half 40.68s
100 Butterfly SCY 1:22.80
Front half 38.38s · back half 44.42s
Progression
Faster times are higher. One card per event, all courses & history.