swimHailey Nelson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.05 | A+0.76s to AA | 2026-02-13 | 2026 SI Presidents' Day Senior Classic - copi |
| 100 Freestyle | SCY | 1:01.92 | BB+2.43s to A | 2025-12-04 | 2025 Holiday Swim Festival |
| 200 Freestyle | SCY | 2:14.54 | BB+6.45s to A | 2026-01-31 | 2026 SI HSA All Ages NTS Meet fast pool |
| 500 Freestyle | SCY | 5:58.30 | BB+13.21s to A | 2024-03-10 | 2024 SI 14U AGE GRP CHAMPIONSHIPS venue |
| 50 Backstroke | SCY | 33.71 | B+0.92s to BB | 2025-12-04 | 2025 Holiday Swim Festival |
| 100 Backstroke | SCY | 1:10.51 | B+0.92s to BB | 2025-12-04 | 2025 Holiday Swim Festival |
| 200 Backstroke | SCY | 2:30.87 | BB+11.58s to A | 2024-12-23 | 2024 SI Winter Age Group Championships venue |
| 50 Breaststroke | SCY | 38.05 | BB+2.66s to A | 2025-12-06 | 2025 Holiday Swim Festival venue |
| 100 Breaststroke | SCY | 1:23.41 | B+3.02s to BB | 2026-01-31 | 2026 SI HSA All Ages NTS Meet fast pool |
| 200 Breaststroke | SCY | 2:52.76 | BB+12.07s to A | 2025-12-19 | 2025 SI Winter Age Group Championships |
| 50 Butterfly | SCY | 30.44 | BB+0.35s to A | 2026-02-13 | 2026 SI Presidents' Day Senior Classic - copi |
| 100 Butterfly | SCY | 1:10.70 | B+1.31s to BB | 2025-12-04 | 2025 Holiday Swim Festival |
| 200 Individual Medley | SCY | 2:32.52 | BB+9.13s to A | 2026-01-01 | FAST - CA |
| 400 Individual Medley | SCY | 5:39.84 | B+7.25s to BB | 2024-03-09 | 2024 SI 14U AGE GRP CHAMPIONSHIPS venue |
| 50 Freestyle | LCM | 30.53 | A+0.64s to AA | 2024-07-25 | 2024 SI LC AG CHAMPS |
| 100 Freestyle | LCM | 1:07.22 | A+2.73s to AA | 2024-07-25 | 2024 SI LC AG CHAMPS |
| 200 Freestyle | LCM | 2:30.00 | BB+4.71s to A | 2025-06-22 | 2025 SI SPLASH AND DASH venue |
| 400 Freestyle | LCM | 5:35.01 | B+1.72s to BB | 2024-04-19 | 2024 SI Pacific Swim A-BB LCM All Ages Meet venue |
| 100 Backstroke | LCM | 1:25.60 | B+4.41s to BB | 2024-06-23 | 2024 SI SPLASH AND DASH venue |
| 200 Backstroke | LCM | 3:10.49 | +2.60s to B | 2024-04-20 | 2024 SI Pacific Swim A-BB LCM All Ages Meet venue |
| 50 Breaststroke | LCM | 43.35 | BB+3.16s to A | 2026-06-19 | 2026 SI Splash and Dash fast pool |
| 100 Breaststroke | LCM | 1:40.89 | +1.70s to B | 2025-07-13 | 2025 SI SDSA All Ages NTS Meet venue |
| 50 Butterfly | LCM | 35.10 | BB+1.51s to A | 2025-06-22 | 2025 SI SPLASH AND DASH venue |
| 200 Individual Medley | LCM | 2:51.19 | BB+6.80s to A | 2026-06-20 | 2026 SI Splash and Dash fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 27.08 | flying | 200 Free Relay (leg 2) | 2024-12-23 | 2024 SI Winter Age Group Championships |
| 100 Freestyle | SCY | 59.79 | flying | 400 Free Relay (leg 2) | 2024-12-22 | 2024 SI Winter Age Group Championships |
| 100 Butterfly | SCY | 1:08.82 | flying | 400 Medley Relay (leg 3) | 2024-03-10 | 2024 SI 14U AGE GRP CHAMPIONSHIPS |
| 100 Freestyle | LCM | 1:06.86 | flying | 400 Free Relay (leg 3) | 2024-07-28 | 2024 SI LC AG CHAMPS |
| 100 Breaststroke | LCM | 1:34.34 | flying | 400 Medley Relay (leg 2) | 2024-07-27 | 2024 SI LC AG 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 15-16 · SCY
2667 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:58.30 | 591 |
| 200 BK SCY | 2:30.87 | 524 |
| 200 BR SCY | 2:52.76 | 526 |
| 200 IM SCY | 2:32.52 | 545 |
| 400 IM SCY | 5:39.84 | 481 |
| 200 FL SCY | — | 0 |
IMR 15-16 · SCY
2574 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:14.54 | 573 |
| 100 BK SCY | 1:10.51 | 503 |
| 100 BR SCY | 1:23.41 | 462 |
| 100 FL SCY | 1:10.70 | 491 |
| 200 IM SCY | 2:32.52 | 545 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:01.92
Front half 29.70s · back half 32.22s
500 Freestyle SCY 5:58.30
Front half 177.25s · back half 181.05s
100 Backstroke SCY 1:10.51
Front half 34.80s · back half 35.71s
200 Backstroke SCY 2:30.87
Front half 74.68s · back half 76.19s
100 Butterfly SCY 1:10.70
Front half 33.67s · back half 37.03s
400 Individual Medley SCY 5:39.84
Front half 162.71s · back half 177.13s
200 Freestyle LCM 2:30.00
Front half 73.60s · back half 76.40s
400 Freestyle LCM 5:35.01
Front half 165.01s · back half 170.00s
100 Backstroke LCM 1:25.60
Front half 40.89s · back half 44.71s
200 Backstroke LCM 3:10.49
Front half 94.67s · back half 95.82s
200 Individual Medley LCM 2:51.19
Front half 80.73s · back half 90.46s
Progression
Faster times are higher. One card per event, all courses & history.