swimHayley Zhou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 47.28 | +11.89s to B | 2025-12-12 | 2025 NE NSSC Dec 13-15 Holiday Celebration! |
| 50 Breaststroke | SCY | 55.92 | +10.43s to B | 2026-06-07 | 2026 NE NSSC June Invitational at BC High fast pool |
| 100 Breaststroke | SCY | 1:54.02 | +13.73s to B | 2026-06-07 | 2026 NE NSSC June Invitational at BC High fast pool |
| 50 Butterfly | SCY | 50.73 | +11.84s to B | 2026-06-07 | 2026 NE NSSC June Invitational at BC High fast pool |
| 100 Individual Medley | SCY | 2:01.70 | +33.01s to B | 2025-12-12 | 2025 NE NSSC Dec 13-15 Holiday Celebration! |
| 100 Freestyle | LCM | 1:42.08 | +12.89s to B | 2026-05-17 | 2026 NE YNS May Specialty Meet venue |
| 50 Breaststroke | LCM | 59.57 | +7.28s to B | 2026-05-17 | 2026 NE YNS May Specialty Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 11-12 · SCY
246 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:54.02 | 246 |
| 500 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
511 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BR SCY | 55.92 | 205 |
| 50 FL SCY | 50.73 | 162 |
| 100 IM SCY | 2:01.70 | 144 |
| 200 FR SCY | — | 0 |
| 50 BK SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 1:54.02
Front half 55.32s · back half 58.70s
100 Individual Medley SCY 2:01.70 split/total mismatch
Front half 58.98s · back half 62.72s
100 Freestyle LCM 1:42.08
Front half 48.39s · back half 53.69s
Progression
Faster times are higher. One card per event, all courses & history.