swimEthan Choi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.02 | A+0.63s to AA | 2024-10-05 | 2024 October KATY Senior Invite venue |
| 100 Freestyle | SCY | 53.03 | A+1.74s to AA | 2024-11-09 | 2024 FCST Nov Tri-Meet venue |
| 200 Freestyle | SCY | 1:52.87 | A+0.88s to AA | 2024-02-03 | 2024 Fleet Mardi Gras Extravaganza venue |
| 500 Freestyle | SCY | 5:06.13 | A+1.84s to AA | 2024-02-02 | 2024 Fleet Mardi Gras Extravaganza venue |
| 1000 Freestyle | SCY | 10:39.55 | A+5.56s to AA | 2024-10-06 | 2024 October KATY Senior Invite venue |
| 1650 Freestyle | SCY | 18:01.28 | A+24.39s to AA | 2024-01-05 | PACK '24 Rubber Duckie Invite venue |
| 100 Backstroke | SCY | 55.74 | A+0.05s to AA | 2025-12-12 | 2025 Gulf Senior Championships |
| 200 Backstroke | SCY | 1:54.39 | AAA+3.00s to AAAA | 2026-03-05 | LAC Spring Speedo Sectionals |
| 50 Breaststroke | SCY | 2:24.17 | +107.48s to B | 2024-10-05 | 2024 October KATY Senior Invite venue |
| 100 Breaststroke | SCY | 1:01.44 | AA+0.95s to AAA | 2025-12-12 | 2025 Gulf Senior Championships |
| 200 Breaststroke | SCY | 2:19.18 | A+1.89s to AA | 2025-10-04 | 2025 October KATY Senior Invitational venue |
| 100 Butterfly | SCY | 52.44 | AAA+1.95s to AAAA | 2025-12-12 | 2025 Gulf Senior Championships |
| 200 Butterfly | SCY | 1:56.11 | AAA+3.02s to AAAA | 2026-03-05 | LAC Spring Speedo Sectionals |
| 200 Individual Medley | SCY | 2:00.25 | AA+1.36s to AAA | 2025-02-02 | 2025 Fleet Mardi Gras venue |
| 400 Individual Medley | SCY | 4:15.23 | AA+0.74s to AAA | 2025-02-28 | 2025 Gulf 13 & Over Champs (PEAK) |
| 50 Freestyle | LCM | 26.54 | AA+0.65s to AAA | 2026-05-15 | 2026 Fleet Summer Classic |
| 100 Freestyle | LCM | 54.51 | AAA+0.62s to AAAA | 2025-06-27 | 2025 Fleet Last Chance |
| 200 Freestyle | LCM | 2:09.40 | A+0.21s to AA | 2024-06-08 | BATS June Invite 2024 venue |
| 400 Freestyle | LCM | 4:26.99 | AA+3.30s to AAA | 2024-07-12 | 2024 Long Course Gulf Age Group Championships venue |
| 100 Backstroke | LCM | 1:05.20 | AA+2.71s to AAA | 2026-05-15 | 2026 Fleet Summer Classic |
| 200 Backstroke | LCM | 2:16.10 | AA+0.71s to AAA | 2025-07-23 | 2025 TNAQ Senior Summer Showdown fast pool |
| 100 Breaststroke | LCM | 1:14.36 | A+0.57s to AA | 2024-07-13 | 2024 Long Course Gulf Age Group Championships venue |
| 200 Breaststroke | LCM | 2:47.61 | BB+0.12s to A | 2025-04-12 | 2025 BTA April LC Ducky Derby |
| 100 Butterfly | LCM | 1:02.13 | AA+1.64s to AAA | 2024-07-13 | 2024 Long Course Gulf Age Group Championships venue |
| 200 Butterfly | LCM | 2:16.80 | AA+1.41s to AAA | 2025-07-25 | 2025 TNAQ Senior Summer Showdown fast pool |
| 200 Individual Medley | LCM | 2:17.55 | AAA+5.16s to AAAA | 2025-07-26 | 2025 TNAQ Senior Summer Showdown fast pool |
| 400 Individual Medley | LCM | 4:50.18 | AAA+8.09s to AAAA | 2025-07-24 | 2025 TNAQ Senior Summer Showdown 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 | 24.97 | flying | 200 Free Relay (leg 3) | 2024-02-17 | 2024 Gulf 14 & Under Champs (DADS) |
| 200 Freestyle | SCY | 1:49.24 | flying | 800 Free Relay (leg 3) | 2024-02-29 | 2024 Texas Age Group Swimming Short Course Ch |
| 50 Freestyle | LCM | 26.00 | flying | 200 Free Relay (leg 4) | 2025-07-23 | 2025 TNAQ Senior Summer Showdown |
| 100 Freestyle | LCM | 57.49 | flying | 400 Free Relay (leg 3) | 2025-07-25 | 2025 TNAQ Senior Summer Showdown |
| 200 Freestyle | LCM | 2:06.00 | flying | 800 Free Relay (leg 2) | 2025-07-24 | 2025 TNAQ Senior Summer Showdown |
| 50 Backstroke | LCM | 30.00 | flat | 200 Medley Relay | 2025-07-23 | 2025 TNAQ Senior Summer Showdown |
| 100 Backstroke | LCM | 1:05.03 | flat | 400 Medley Relay | 2025-07-26 | 2025 TNAQ Senior Summer Showdown |
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 · LCM
4967 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:26.99 | 826 |
| 200 BK LCM | 2:16.10 | 855 |
| 200 BR LCM | 2:47.61 | 659 |
| 200 FL LCM | 2:16.80 | 834 |
| 200 IM LCM | 2:17.55 | 885 |
| 400 IM LCM | 4:50.18 | 908 |
IMR 15-16 · SCY
4037 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:52.87 | 737 |
| 100 BK SCY | 55.74 | 752 |
| 100 BR SCY | 1:01.44 | 827 |
| 100 FL SCY | 52.44 | 887 |
| 200 IM SCY | 2:00.25 | 834 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 53.03
Front half 25.98s · back half 27.05s
200 Freestyle SCY 1:52.87
Front half 56.06s · back half 56.81s
500 Freestyle SCY 5:06.13
Front half 151.88s · back half 154.25s
1000 Freestyle SCY 10:39.55
Front half 325.09s · back half 314.46s
200 Backstroke SCY 1:54.39 split/total mismatch
200 Breaststroke SCY 2:19.18
200 Butterfly SCY 1:56.11 split/total mismatch
200 Individual Medley SCY 2:00.25
Front half 58.95s · back half 61.30s
200 Freestyle LCM 2:09.40
Front half 63.99s · back half 65.41s
400 Freestyle LCM 4:26.99
Front half 135.67s · back half 131.32s
200 Backstroke LCM 2:16.10 RT 0.64s
Front half 66.52s · back half 69.58s
200 Butterfly LCM 2:16.80 RT 0.67s
Front half 65.48s · back half 71.32s
200 Individual Medley LCM 2:17.55 RT 0.75s
Front half 66.81s · back half 70.74s
400 Individual Medley LCM 4:50.18 RT 0.66s
Front half 143.44s · back half 146.74s
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.