swimHailey Williamson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.96 | A+0.77s to AA | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue |
| 100 Freestyle | SCY | 1:11.38 | B+1.99s to BB | 2022-10-29 | 22nd Annual Bill Smith Invitational venue |
| 200 Freestyle | SCY | 2:23.30 | BB+3.31s to A | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue |
| 50 Backstroke | SCY | 34.94 | BB+1.65s to A | 2023-04-30 | 41st Annual Harry Mamizuka Invitational venue |
| 100 Backstroke | SCY | 1:16.47 | BB+3.48s to A | 2023-04-29 | 41st Annual Harry Mamizuka Invitational venue |
| 100 Breaststroke | SCY | 1:38.21 | +1.72s to B | 2022-10-30 | 22nd Annual Bill Smith Invitational venue |
| 50 Butterfly | SCY | 33.41 | BB+1.72s to A | 2023-04-29 | 41st Annual Harry Mamizuka Invitational venue |
| 100 Individual Medley | SCY | 1:21.87 | B+2.68s to BB | 2022-09-24 | 2022 HI Al Minn Invitational slow pool |
| 50 Freestyle | LCM | 32.30 | A+0.31s to AA | 2023-05-06 | 2023 HI Oahu Unclassifed Meet venue |
| 50 Backstroke | LCM | 39.17 | BB+0.68s to A | 2023-05-06 | 2023 HI Oahu Unclassifed Meet venue |
| 50 Breaststroke | LCM | 44.83 | BB+2.14s to A | 2023-05-06 | 2023 HI Oahu Unclassifed Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 Backstroke | SCY | 37.34 | flat | 200 Medley Relay | 2022-09-24 | 2022 HI Al Minn Invitational |
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 11-12 · SCY
935 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:16.47 | 550 |
| 100 BR SCY | 1:38.21 | 385 |
| 500 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
2236 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:23.30 | 615 |
| 50 BK SCY | 34.94 | 577 |
| 50 FL SCY | 33.41 | 569 |
| 100 IM SCY | 1:21.87 | 475 |
| 50 BR 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 1:11.38
Front half 33.10s · back half 38.28s
200 Freestyle SCY 2:23.30
Front half 68.67s · back half 74.63s
100 Backstroke SCY 1:16.47
Front half 36.99s · back half 39.48s
100 Breaststroke SCY 1:38.21
Front half 44.85s · back half 53.36s
100 Individual Medley SCY 1:21.87
Front half 36.59s · back half 45.28s
Progression
Faster times are higher. One card per event, all courses & history.