Hayden Nguyen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.29 | AAA+0.80s to AAAA | 2026-03-29 | 2026 Southwest Age Group Regional fast pool |
| 100 Freestyle | SCY | 56.13 | AA+0.34s to AAA | 2026-03-30 | 2026 Southwest Age Group Regional fast pool |
| 200 Freestyle | SCY | 2:07.16 | A+0.77s to AA | 2025-11-22 | 2025 CANY Cranberry venue |
| 500 Freestyle | SCY | 6:00.49 | BB+7.10s to A | 2026-01-17 | Fresno Dolphins Swim Team Senior Prelim-Final venue |
| 50 Backstroke | SCY | 36.53 | B+2.54s to BB | 2023-01-14 | 2023 Clovis Swim Club Winter Open fast pool |
| 100 Backstroke | SCY | 1:08.12 | BB+1.93s to A | 2026-01-17 | Fresno Dolphins Swim Team Senior Prelim-Final venue |
| 200 Backstroke | SCY | 2:30.31 | BB+6.42s to A | 2025-12-04 | 2025 Holiday Swim Festival |
| 50 Breaststroke | SCY | 31.48 | AAAA | 2026-03-28 | 2026 Southwest Age Group Regional fast pool |
| 100 Breaststroke | SCY | 1:08.06 | AAA+1.47s to AAAA | 2026-03-29 | 2026 Southwest Age Group Regional fast pool |
| 200 Breaststroke | SCY | 2:31.58 | AA+1.49s to AAA | 2026-03-30 | 2026 Southwest Age Group Regional fast pool |
| 50 Butterfly | SCY | 28.30 | AA+0.01s to AAA | 2026-04-11 | 2026 Far Western SC Hosted By SCSC venue |
| 100 Butterfly | SCY | 1:00.55 | AA+0.16s to AAA | 2026-03-30 | 2026 Southwest Age Group Regional fast pool |
| 100 Individual Medley | SCY | 58.51 | 2025-03-20 | Southwest Age Group Regional 2025 | |
| 200 Individual Medley | SCY | 2:20.34 | AA+4.75s to AAA | 2025-02-14 | 2025 CCS SCY AGC |
| 400 Individual Medley | SCY | 5:05.18 | A+4.39s to AA | 2025-02-22 | 2025 Juanita Allington Memorial venue |
| 50 Freestyle | LCM | 29.74 | AA+0.35s to AAA | 2026-06-27 | 2026 TYR GO Challenge venue |
| 100 Freestyle | LCM | 1:04.81 | AA+1.02s to AAA | 2026-06-28 | 2026 TYR GO Challenge venue |
| 200 Freestyle | LCM | 2:35.30 | BB+4.91s to A | 2024-05-25 | 2024 Mike Snyder Memorial |
| 400 Freestyle | LCM | 5:30.05 | BB+13.86s to A | 2025-05-18 | SMSC 2025 MayDay LCM Arena Invitational slow pool |
| 800 Freestyle | LCM | 11:15.76 | BB+19.07s to A | 2024-05-25 | 2024 Mike Snyder Memorial |
| 50 Backstroke | LCM | 38.18 | BB+1.59s to A | 2024-05-25 | 2024 Mike Snyder Memorial |
| 200 Backstroke | LCM | 2:59.30 | BB+13.01s to A | 2025-05-17 | SMSC 2025 MayDay LCM Arena Invitational slow pool |
| 50 Breaststroke | LCM | 37.26 | AAA+1.37s to AAAA | 2026-06-28 | 2026 TYR GO Challenge venue |
| 100 Breaststroke | LCM | 1:21.25 | AA+0.76s to AAA | 2025-08-06 | 2025 Western Zone Age Group Championships fast pool |
| 200 Breaststroke | LCM | 2:57.29 | AA+3.80s to AAA | 2025-07-16 | Renee and Jim Patterson Meet 2025 |
| 50 Butterfly | LCM | 32.02 | AA+0.63s to AAA | 2026-06-27 | 2026 TYR GO Challenge venue |
| 100 Butterfly | LCM | 1:13.48 | A+1.69s to AA | 2025-08-07 | 2025 Western Zone Age Group Championships fast pool |
| 200 Individual Medley | LCM | 2:43.92 | A+1.83s to AA | 2025-08-09 | 2025 Western Zone Age Group Championships fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 | 26.00 | flat | 200 Free Relay | 2025-12-05 | 2025 Holiday Swim Festival |
| 50 Freestyle | SCY | 25.07 | flying | 200 Medley Relay (leg 4) | 2026-03-29 | 2026 Southwest Age Group Regional |
| 50 Freestyle | SCY | 25.12 | flying | 200 Free Relay (leg 2) | 2026-03-29 | 2026 Southwest Age Group Regional |
| 100 Freestyle | SCY | 56.45 | flat | 400 Free Relay | 2026-03-30 | 2026 Southwest Age Group Regional |
| 100 Freestyle | SCY | 56.73 | flying | 400 Free Relay (leg 3) | 2025-02-15 | 2025 CCS SCY AGC |
| 50 Breaststroke | SCY | 32.13 | flying | 200 Medley Relay (leg 2) | 2025-12-06 | 2025 Holiday Swim Festival |
| 100 Breaststroke | SCY | 1:10.30 | flying | 400 Medley Relay (leg 2) | 2025-03-21 | Southwest Age Group Regional 2025 |
| 100 Butterfly | SCY | 53.86 | flying | 400 Medley Relay (leg 3) | 2025-12-05 | 2025 Holiday Swim Festival |
| 50 Freestyle | LCM | 30.08 | flying | 200 Free Relay (leg 3) | 2025-08-09 | 2025 Western Zone Age Group Championships |
| 50 Breaststroke | LCM | 38.01 | flying | 200 Medley Relay (leg 2) | 2024-08-09 | 2024 Western Zone Age Group 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 13-14 · SCY
3544 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:00.49 | 630 |
| 200 BK SCY | 2:30.31 | 572 |
| 200 BR SCY | 2:31.58 | 844 |
| 200 IM SCY | 2:20.34 | 772 |
| 400 IM SCY | 5:05.18 | 726 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
3916 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:07.16 | 745 |
| 100 BK SCY | 1:08.12 | 607 |
| 100 BR SCY | 1:08.06 | 932 |
| 100 FL SCY | 1:00.55 | 860 |
| 200 IM SCY | 2:20.34 | 772 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 56.13
Front half 26.60s · back half 29.53s
200 Freestyle SCY 2:07.16
Front half 64.28s · back half 62.88s
500 Freestyle SCY 6:00.49
Front half 177.41s · back half 183.08s
100 Backstroke SCY 1:08.12
Front half 32.21s · back half 35.91s
200 Backstroke SCY 2:30.31
Front half 71.41s · back half 78.90s
100 Breaststroke SCY 1:08.06
Front half 32.11s · back half 35.95s
200 Breaststroke SCY 2:31.58
Front half 71.64s · back half 79.94s
100 Butterfly SCY 1:00.55
Front half 29.17s · back half 31.38s
400 Individual Medley SCY 5:05.18
Front half 148.74s · back half 156.44s
200 Freestyle LCM 2:35.30 split/total mismatch
400 Freestyle LCM 5:30.05
Front half 165.30s · back half 164.75s
800 Freestyle LCM 11:15.76 split/total mismatch
200 Backstroke LCM 2:59.30
Front half 86.54s · back half 92.76s
200 Breaststroke LCM 2:57.29 split/total mismatch
200 Individual Medley LCM 2:43.92
Front half 78.63s · back half 85.29s
Progression
Faster times are higher. One card per event, all courses & history.