swimSean Hernandez
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 20.07 | 2019-02-16 | 2019 SES Region Championships - WEST | |
| 50 Freestyle | SCY | 26.04 | BB+0.45s to A | 2026-01-01 | sky winteerfest results |
| 100 Freestyle | SCY | 1:03.35 | B+2.96s to BB | 2024-12-08 | 2024 NAC SPEEDO Music City Invitational venue |
| 200 Freestyle | SCY | 2:02.82 | BB+0.63s to A | 2026-01-01 | sky winteerfest results |
| 500 Freestyle | SCY | 6:11.49 | B+13.10s to BB | 2024-12-06 | 2024 NAC SPEEDO Music City Invitational venue |
| 25 Backstroke | SCY | 25.20 | 2019-02-16 | 2019 SES Region Championships - WEST | |
| 50 Backstroke | SCY | 29.00 | BB+0.11s to A | 2026-01-01 | sky winteerfest results |
| 100 Backstroke | SCY | 1:00.33 | A+1.74s to AA | 2026-01-01 | sky winteerfest results |
| 200 Backstroke | SCY | 2:07.34 | AA+5.35s to AAA | 2026-03-06 | Speedo Southern Premier fast pool |
| 50 Breaststroke | SCY | 42.07 | +3.48s to B | 2023-09-16 | NAC Intrasquad |
| 100 Breaststroke | SCY | 1:03.46 | AA+0.07s to AAA | 2026-01-01 | octoberopenresults |
| 25 Butterfly | SCY | 30.96 | 2018-12-09 | 2018 8&Under Holiday Invitational | |
| 50 Butterfly | SCY | 27.93 | A+0.64s to AA | 2026-01-01 | sky winteerfest results |
| 100 Butterfly | SCY | 59.24 | A+1.35s to AA | 2026-03-06 | Speedo Southern Premier |
| 200 Butterfly | SCY | 2:09.61 | A+0.72s to AA | 2026-03-06 | Speedo Southern Premier |
| 100 Individual Medley | SCY | 1:15.63 | 2024-01-05 | Tennessee Aquatics January Invitational | |
| 200 Individual Medley | SCY | 2:12.92 | A+3.13s to AA | 2026-03-06 | Speedo Southern Premier |
| 50 Freestyle | LCM | 31.57 | BB+2.18s to A | 2025-06-20 | 2025 Synergy Dryland Summer Sizzler venue |
| 100 Freestyle | LCM | 1:04.16 | A+2.47s to AA | 2026-05-16 | NAC LC May Classic venue |
| 200 Freestyle | LCM | 2:22.78 | BB+2.19s to A | 2026-05-16 | NAC LC May Classic |
| 400 Freestyle | LCM | 6:22.46 | +32.57s to B | 2022-05-13 | 2022 TYR Invite |
| 50 Backstroke | LCM | 37.62 | B+0.93s to BB | 2015-06-26 | 2024 Synergy Dryland Summer Sizzler |
| 100 Backstroke | LCM | 1:10.98 | A+2.29s to AA | 2026-05-16 | NAC LC May Classic |
| 200 Backstroke | LCM | 2:32.22 | A+2.73s to AA | 2026-04-19 | HSA April LC Meet venue |
| 50 Breaststroke | LCM | 46.10 | +2.01s to B | 2024-05-19 | 2024 HSA May Invitational venue |
| 100 Breaststroke | LCM | 1:29.08 | B+1.79s to BB | 2025-05-17 | 2025 May Invitational venue |
| 50 Butterfly | LCM | 35.32 | B+0.73s to BB | 2015-06-26 | 2024 Synergy Dryland Summer Sizzler |
| 100 Butterfly | LCM | 1:11.36 | BB+2.47s to A | 2026-05-16 | NAC LC May Classic |
| 200 Butterfly | LCM | 2:40.18 | BB+5.79s to A | 2026-05-16 | NAC LC May Classic |
| 200 Individual Medley | LCM | 2:34.29 | A+4.00s to AA | 2026-04-19 | HSA April LC Meet venue |
| 400 Individual Medley | LCM | 5:45.63 | BB+10.14s to A | 2026-04-18 | HSA April LC Meet |
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 |
|---|---|---|---|---|---|---|
| 100 Backstroke | SCY | 59.92 | flat | 400 Medley Relay | 2026-03-08 | Speedo Southern Premier |
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 · LCM
2941 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:22.46 | 318 |
| 200 BK LCM | 2:32.22 | 717 |
| 200 FL LCM | 2:40.18 | 595 |
| 200 IM LCM | 2:34.29 | 702 |
| 400 IM LCM | 5:45.63 | 609 |
| 200 BR LCM | — | 0 |
IMR 13-14 · SCY
3635 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:02.82 | 659 |
| 100 BK SCY | 1:00.33 | 696 |
| 100 BR SCY | 1:03.46 | 861 |
| 100 FL SCY | 59.24 | 711 |
| 200 IM SCY | 2:12.92 | 708 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.35
Front half 30.14s · back half 33.21s
500 Freestyle SCY 6:11.49
Front half 180.72s · back half 190.77s
200 Backstroke SCY 2:07.34 RT 0.67s
Front half 62.53s · back half 64.81s
100 Butterfly SCY 59.24 RT 0.69s
Front half 27.75s · back half 31.49s
200 Butterfly SCY 2:09.61
Front half 61.06s · back half 68.55s
200 Individual Medley SCY 2:12.92
Front half 62.66s · back half 70.26s
200 Freestyle LCM 2:22.78 split/total mismatch
Front half 68.29s · back half 74.49s
400 Freestyle LCM 6:22.46 split/total mismatch
200 Backstroke LCM 2:32.22
Front half 75.04s · back half 77.18s
100 Breaststroke LCM 1:29.08
Front half 43.37s · back half 45.71s
200 Butterfly LCM 2:40.18 split/total mismatch
Front half 73.40s · back half 86.78s
200 Individual Medley LCM 2:34.29
Front half 74.38s · back half 79.91s
400 Individual Medley LCM 5:45.63 split/total mismatch
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.