Hailey Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.78 | A+0.39s to AA | 2025-12-12 | 2025 CA GWSC Winter Age Group Invitational venue |
| 100 Freestyle | SCY | 58.81 | AA+1.82s to AAA | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 200 Freestyle | SCY | 2:11.56 | A+1.97s to AA | 2025-10-19 | 2025 CA OC Gold Aquatics Fall Invitational venue |
| 500 Freestyle | SCY | 5:45.61 | A+0.12s to AA | 2025-12-14 | 2025 CA GWSC Winter Age Group Invitational venue |
| 50 Backstroke | SCY | 32.92 | BB+1.03s to A | 2025-10-19 | 2025 CA OC Gold Aquatics Fall Invitational venue |
| 100 Backstroke | SCY | 1:08.17 | BB+0.18s to A | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 200 Backstroke | SCY | 2:25.84 | A+5.45s to AA | 2026-02-15 | 2026 Metro Champs @ La Mirada Armada venue |
| 50 Breaststroke | SCY | 35.62 | A+0.13s to AA | 2026-02-14 | 2026 Metro Champs @ La Mirada Armada venue |
| 100 Breaststroke | SCY | 1:17.48 | A+2.79s to AA | 2025-12-05 | 2025 CA Trident Swim Club SC Dec Meet venue |
| 200 Breaststroke | SCY | 2:49.48 | BB+1.49s to A | 2026-03-08 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 50 Butterfly | SCY | 32.51 | BB+1.02s to A | 2025-09-14 | 2025 DARE Launch & Lunge Season Opener venue |
| 100 Butterfly | SCY | 1:15.85 | B+2.56s to BB | 2025-12-07 | 2025 CA Trident Swim Club SC Dec Meet venue |
| 100 Individual Medley | SCY | 1:11.24 | 2025-10-18 | 2025 CA OC Gold Aquatics Fall Invitational venue | |
| 200 Individual Medley | SCY | 2:24.39 | AA+5.60s to AAA | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 400 Individual Medley | SCY | 5:39.16 | BB+18.47s to A | 2024-12-07 | 2024 CA Trident Swim Club SC Dec Meet venue |
| 50 Freestyle | LCM | 32.07 | A+0.78s to AA | 2026-04-26 | CA 2026 NOVApril Intrasquad Meet venue |
| 100 Freestyle | LCM | 1:09.66 | A+1.67s to AA | 2026-05-03 | 26 ESA Dolphins Swim Team venue |
| 200 Freestyle | LCM | 2:30.47 | A+2.28s to AA | 2026-04-26 | CA 2026 NOVApril Intrasquad Meet venue |
| 400 Freestyle | LCM | 5:02.71 | AA+4.82s to AAA | 2026-06-13 | ARMADA-2026 SCS June AG Invite venue |
| 50 Backstroke | LCM | 39.94 | BB+2.45s to A | 2025-07-12 | 2025 Metro Committee Summer Championships venue |
| 100 Backstroke | LCM | 1:19.73 | BB+0.34s to A | 2026-05-03 | 26 ESA Dolphins Swim Team venue |
| 200 Backstroke | LCM | 2:43.93 | AA+6.94s to AAA | 2026-06-13 | ARMADA-2026 SCS June AG Invite venue |
| 50 Breaststroke | LCM | 41.02 | A+0.73s to AA | 2026-06-12 | ARMADA-2026 SCS June AG Invite venue |
| 100 Breaststroke | LCM | 1:27.71 | A+1.72s to AA | 2026-06-13 | ARMADA-2026 SCS June AG Invite venue |
| 200 Breaststroke | LCM | 3:10.16 | A+4.67s to AA | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 50 Butterfly | LCM | 36.58 | BB+1.29s to A | 2025-07-13 | 2025 Metro Committee Summer Championships venue |
| 200 Individual Medley | LCM | 2:48.96 | A+2.77s to AA | 2026-05-03 | 26 ESA Dolphins Swim Team venue |
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 | 29.64 | flat | 200 Free Relay | 2025-02-16 | 2025 Metro Sc Champs at Armada |
| 50 Freestyle | SCY | 27.53 | flying | 200 Free Relay (leg 2) | 2026-03-15 | 2026 SCS Spring Age Group Champs @ RMDA - cop |
| 100 Freestyle | SCY | 1:01.61 | flying | 400 Free Relay (leg 3) | 2026-03-13 | 2026 SCS Spring Age Group Champs @ RMDA - cop |
| 50 Backstroke | SCY | 32.04 | flat | 200 Medley Relay | 2026-02-15 | 2026 Metro Champs @ La Mirada Armada |
| 50 Breaststroke | SCY | 35.05 | flying | 200 Medley Relay (leg 2) | 2026-03-15 | 2026 SCS Spring Age Group Champs @ RMDA - cop |
| 100 Breaststroke | SCY | 1:16.08 | flying | 400 Medley Relay (leg 2) | 2026-03-14 | 2026 SCS Spring Age Group Champs @ RMDA - cop |
| 50 Freestyle | LCM | 32.03 | flying | 200 Free Relay (leg 2) | 2025-07-25 | 2025 CA SCS/RAA Summer A/G Champs |
| 100 Freestyle | LCM | 1:10.54 | flat | 400 Free Relay | 2025-07-27 | 2025 CA SCS/RAA Summer A/G Champs |
| 50 Backstroke | LCM | 38.73 | flat | 200 Medley Relay | 2025-06-13 | 2025 CA SCS RAA June Age Group Championships |
| 50 Breaststroke | LCM | 43.87 | flying | 200 Medley Relay (leg 2) | 2025-07-25 | 2025 CA SCS/RAA Summer A/G Champs |
| 100 Breaststroke | LCM | 1:32.90 | flying | 400 Medley Relay (leg 2) | 2025-07-26 | 2025 CA SCS/RAA Summer A/G Champs |
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
3183 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:45.61 | 716 |
| 200 BK SCY | 2:25.84 | 626 |
| 200 BR SCY | 2:49.48 | 604 |
| 200 IM SCY | 2:24.39 | 709 |
| 400 IM SCY | 5:39.16 | 528 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
3055 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:11.56 | 672 |
| 100 BK SCY | 1:08.17 | 606 |
| 100 BR SCY | 1:17.48 | 631 |
| 100 FL SCY | 1:15.85 | 437 |
| 200 IM SCY | 2:24.39 | 709 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 58.81
Front half 28.08s · back half 30.73s
200 Freestyle SCY 2:11.56
Front half 63.43s · back half 68.13s
500 Freestyle SCY 5:45.61
Front half 174.17s · back half 171.44s
100 Backstroke SCY 1:08.17
Front half 32.14s · back half 36.03s
200 Backstroke SCY 2:25.84
Front half 70.76s · back half 75.08s
100 Breaststroke SCY 1:17.48
Front half 36.77s · back half 40.71s
200 Breaststroke SCY 2:49.48
Front half 80.32s · back half 89.16s
100 Butterfly SCY 1:15.85
Front half 34.59s · back half 41.26s
100 Individual Medley SCY 1:11.24
Front half 14.26s · back half 56.98s
200 Individual Medley SCY 2:24.39
Front half 68.38s · back half 76.01s
400 Individual Medley SCY 5:39.16
Front half 170.40s · back half 168.76s
200 Freestyle LCM 2:30.47
Front half 74.97s · back half 75.50s
400 Freestyle LCM 5:02.71
Front half 148.26s · back half 154.45s
200 Backstroke LCM 2:43.93
Front half 80.42s · back half 83.51s
200 Breaststroke LCM 3:10.16
Front half 90.47s · back half 99.69s
200 Individual Medley LCM 2:48.96
Front half 82.09s · back half 86.87s
Progression
Faster times are higher. One card per event, all courses & history.