swimHailey Duncan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.94 | A+0.75s to AA | 2022-03-06 | 2022 MD LSC 14 & U CHAMPIONSHIPS venue |
| 100 Freestyle | SCY | 1:03.85 | A+2.46s to AA | 2022-03-04 | 2022 MD LSC 14 & U CHAMPIONSHIPS venue |
| 200 Freestyle | SCY | 2:31.19 | BB+11.20s to A | 2022-10-09 | CAA Early Season Mini & Mid Distance Meet slow pool |
| 500 Freestyle | SCY | 6:36.70 | BB+21.81s to A | 2022-02-13 | 2022 LBA & CAA Last Chance Meet venue |
| 50 Backstroke | SCY | 31.93 | A+0.04s to AA | 2023-03-04 | 2023 MD LSC 14 & U Championships venue |
| 100 Backstroke | SCY | 1:08.35 | AA+2.16s to AAA | 2023-03-12 | 2023 MD LSC JR Champs - NBAC Site venue |
| 200 Backstroke | SCY | 2:32.94 | A+5.05s to AA | 2022-10-09 | CAA Early Season Mini & Mid Distance Meet slow pool |
| 50 Breaststroke | SCY | 37.80 | BB+0.11s to A | 2023-03-12 | 2023 MD LSC JR Champs - NBAC Site venue |
| 100 Breaststroke | SCY | 1:25.08 | BB+2.89s to A | 2022-03-12 | 2022 MD LSC JR CHAMPS - NBAC SITE slow pool |
| 200 Breaststroke | SCY | 3:05.44 | BB+8.95s to A | 2021-06-11 | MDSI 2020-2021 Virtual Series CAA 20/21-082 slow pool |
| 50 Butterfly | SCY | 29.82 | AA+0.73s to AAA | 2023-03-03 | 2023 MD LSC 14 & U Championships venue |
| 100 Butterfly | SCY | 1:17.76 | BB+5.47s to A | 2021-12-11 | 2021 ASC Holiday Invitational venue |
| 100 Individual Medley | SCY | 1:12.83 | A+2.74s to AA | 2021-12-11 | 2021 ASC Holiday Invitational venue |
| 200 Individual Medley | SCY | 2:42.60 | BB+4.91s to A | 2021-12-12 | 2021 ASC Holiday Invitational venue |
| 400 Individual Medley | SCY | 6:01.53 | BB+25.24s to A | 2021-10-24 | Clippers' Raising the Anchor Meet slow pool |
| 50 Freestyle | LCM | 32.73 | A+0.74s to AA | 2022-07-31 | 2022 Summer Junior Champs LCM Meet venue |
| 100 Freestyle | LCM | 1:15.12 | BB+1.63s to A | 2022-07-10 | 2022 Sandbox Invitational venue |
| 200 Freestyle | LCM | 2:47.02 | BB+6.93s to A | 2022-07-30 | 2022 Summer Junior Champs LCM Meet venue |
| 50 Backstroke | LCM | 37.52 | A+0.63s to AA | 2022-07-10 | 2022 Sandbox Invitational venue |
| 100 Backstroke | LCM | 1:21.90 | A+1.11s to AA | 2022-08-05 | 2022 MD LSC LC Championships venue |
| 50 Breaststroke | LCM | 45.65 | BB+2.96s to A | 2022-07-30 | 2022 Summer Junior Champs LCM Meet venue |
| 200 Breaststroke | LCM | 3:46.71 | B+6.42s to BB | 2022-05-01 | 2022 CBAC Spring Long Course Invitational slow pool |
| 50 Butterfly | LCM | 34.07 | AA+1.18s to AAA | 2022-08-05 | 2022 MD LSC LC Championships venue |
| 200 Individual Medley | LCM | 3:07.59 | BB+6.90s to A | 2022-07-31 | 2022 Summer Junior Champs LCM 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 Butterfly | SCY | 28.74 | flying | 200 Medley Relay (leg 3) | 2023-03-02 | 2023 MD LSC 14 & U Championships |
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
3037 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:36.70 | 563 |
| 100 BK SCY | 1:08.35 | 771 |
| 100 BR SCY | 1:25.08 | 593 |
| 100 FL SCY | 1:17.76 | 501 |
| 200 IM SCY | 2:42.60 | 609 |
IMR 11-12 · SCY
3419 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:31.19 | 524 |
| 50 BK SCY | 31.93 | 756 |
| 50 BR SCY | 37.80 | 664 |
| 50 FL SCY | 29.82 | 800 |
| 100 IM SCY | 1:12.83 | 675 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.85
Front half 31.26s · back half 32.59s
500 Freestyle SCY 6:36.70
Front half 196.84s · back half 199.86s
100 Backstroke SCY 1:08.35
Front half 33.51s · back half 34.84s
100 Breaststroke SCY 1:25.08
Front half 40.07s · back half 45.01s
100 Butterfly SCY 1:17.76
Front half 35.39s · back half 42.37s
100 Individual Medley SCY 1:12.83
Front half 33.13s · back half 39.70s
200 Individual Medley SCY 2:42.60
Front half 73.61s · back half 88.99s
100 Freestyle LCM 1:15.12
Front half 34.88s · back half 40.24s
200 Freestyle LCM 2:47.02
Front half 80.95s · back half 86.07s
100 Backstroke LCM 1:21.90
Front half 40.65s · back half 41.25s
200 Breaststroke LCM 3:46.71
Front half 107.69s · back half 119.02s
200 Individual Medley LCM 3:07.59
Front half 85.89s · back half 101.70s
Progression
Faster times are higher. One card per event, all courses & history.