Hadley Nguyen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.85 | AA+0.16s to AAA | 2025-12-13 | 2025 Katie Ledecky Invitational venue |
| 100 Freestyle | SCY | 1:04.31 | AAA+2.42s to AAAA | 2026-03-13 | 2026 PV SC 14 & Under Championships - copied venue |
| 200 Freestyle | SCY | 2:24.05 | AA+0.46s to AAA | 2026-02-22 | 2026 Machine Qualifier venue |
| 500 Freestyle | SCY | 6:13.42 | AAA+11.23s to AAAA | 2026-03-20 | March Madness 2026 fast pool |
| 50 Backstroke | SCY | 34.02 | AAA+1.43s to AAAA | 2025-12-13 | 2025 Katie Ledecky Invitational venue |
| 100 Backstroke | SCY | 1:11.81 | AAA+1.22s to AAAA | 2026-03-15 | 2026 PV SC 14 & Under Championships - copied venue |
| 200 Backstroke | SCY | 2:46.76 | 2025-11-15 | 2025 PV November Open - Franconia venue | |
| 50 Breaststroke | SCY | 42.43 | A+1.54s to AA | 2026-02-21 | 2026 Machine Qualifier venue |
| 50 Butterfly | SCY | 31.97 | AAA+0.68s to AAAA | 2026-03-13 | 2026 PV SC 14 & Under Championships - copied venue |
| 100 Butterfly | SCY | 1:13.71 | AAA+2.82s to AAAA | 2025-12-14 | 2025 Katie Ledecky Invitational venue |
| 200 Butterfly | SCY | 3:04.63 | 2025-11-16 | 2025 PV November Open - Franconia venue | |
| 100 Individual Medley | SCY | 1:15.11 | AAA+3.62s to AAAA | 2026-03-14 | 2026 PV SC 14 & Under Championships - copied venue |
| 200 Individual Medley | SCY | 2:47.34 | AA+6.65s to AAA | 2025-11-09 | 2025 TAC TITANS Big Southern Classic venue |
| 400 Individual Medley | SCY | 6:12.59 | 2025-09-28 | 2025 Distance Run venue | |
| 50 Freestyle | LCM | 33.24 | AAA+1.05s to AAAA | 2026-05-17 | 2026 Long Course Spring Invitational venue |
| 100 Freestyle | LCM | 1:12.46 | AAA+1.57s to AAAA | 2026-06-19 | 2026 Machine June Long Course Invitational - venue |
| 200 Freestyle | LCM | 2:39.00 | AAA+3.91s to AAAA | 2026-04-26 | 2026 Machine Long Course Classic venue |
| 800 Freestyle | LCM | 11:59.85 | 2026-06-20 | 2026 Machine June Long Course Invitational - venue | |
| 50 Backstroke | LCM | 38.34 | AAA+0.85s to AAAA | 2026-06-21 | 2026 Machine June Long Course Invitational - venue |
| 100 Backstroke | LCM | 1:22.84 | AAA+1.45s to AAAA | 2026-05-17 | 2026 Long Course Spring Invitational venue |
| 200 Backstroke | LCM | 2:53.53 | 2026-06-21 | 2026 Machine June Long Course Invitational - venue | |
| 50 Breaststroke | LCM | 51.29 | BB+2.50s to A | 2026-05-17 | 2026 Long Course Spring Invitational venue |
| 50 Butterfly | LCM | 36.82 | AAA+1.63s to AAAA | 2026-06-19 | 2026 Machine June Long Course Invitational - venue |
| 100 Butterfly | LCM | 1:25.99 | AAA+5.00s to AAAA | 2026-04-25 | 2026 Machine Long Course Classic venue |
| 200 Individual Medley | LCM | 3:07.77 | AA+3.28s to AAA | 2026-06-19 | 2026 Machine June Long Course Invitational - venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 30.27 | flat | 200 Free Relay | 2025-12-12 | 2025 Katie Ledecky Invitational |
| 100 Freestyle | SCY | 1:12.81 | flat | 400 Free Relay | 2025-12-13 | 2025 Katie Ledecky 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 10 & under · LCM
3501 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:39.00 | 928 |
| 100 BK LCM | 1:22.84 | 937 |
| 100 FL LCM | 1:25.99 | 823 |
| 200 IM LCM | 3:07.77 | 813 |
| 100 BR LCM | — | 0 |
IMR 10 & under · SCY
4203 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:04.31 | 886 |
| 50 BK SCY | 34.02 | 879 |
| 50 BR SCY | 42.43 | 657 |
| 50 FL SCY | 31.97 | 937 |
| 100 IM SCY | 1:15.11 | 844 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:04.31
Front half 30.84s · back half 33.47s
200 Freestyle SCY 2:24.05
Front half 70.05s · back half 74.00s
100 Backstroke SCY 1:11.81
Front half 34.84s · back half 36.97s
200 Backstroke SCY 2:46.76
Front half 81.25s · back half 85.51s
100 Butterfly SCY 1:13.71
Front half 34.34s · back half 39.37s
200 Butterfly SCY 3:04.63
Front half 87.99s · back half 96.64s
100 Individual Medley SCY 1:15.11
Front half 34.38s · back half 40.73s
200 Individual Medley SCY 2:47.34
Front half 78.96s · back half 88.38s
400 Individual Medley SCY 6:12.59
Front half 179.48s · back half 193.11s
100 Freestyle LCM 1:12.46
Front half 34.29s · back half 38.17s
200 Freestyle LCM 2:39.00
Front half 78.21s · back half 80.79s
800 Freestyle LCM 11:59.85
Front half 365.20s · back half 354.65s
100 Backstroke LCM 1:22.84
Front half 41.00s · back half 41.84s
200 Backstroke LCM 2:53.53
Front half 85.38s · back half 88.15s
200 Individual Medley LCM 3:07.77
Front half 87.11s · back half 100.66s
Progression
Faster times are higher. One card per event, all courses & history.