Kaius Choi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.98 | AA+0.19s to AAA | 2026-06-21 | 2026 CA OC GOLD June 2026 ABC SC Age Group Me venue |
| 100 Freestyle | SCY | 55.14 | AAA+1.45s to AAAA | 2026-03-15 | 2026 SCS Spring Age Group Champs @ RMDA - cop venue |
| 200 Freestyle | SCY | 1:59.70 | AAA+2.71s to AAAA | 2026-02-01 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 500 Freestyle | SCY | 5:19.96 | AAA+4.97s to AAAA | 2026-03-13 | 2026 SCS Spring Age Group Champs @ RMDA - cop venue |
| 50 Backstroke | SCY | 31.44 | A+0.25s to AA | 2026-01-31 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 100 Backstroke | SCY | 1:05.17 | AA+2.38s to AAA | 2026-02-01 | 2026 AZOT H/F BB MIN Leaderboard Invitational venue |
| 200 Backstroke | SCY | 2:25.28 | A+3.29s to AA | 2026-06-20 | 2026 CA OC GOLD June 2026 ABC SC Age Group Me venue |
| 50 Butterfly | SCY | 29.06 | AA+0.87s to AAA | 2026-02-15 | 2026 MVN Lunar AAPI Festival venue |
| 100 Butterfly | SCY | 1:03.77 | AA+1.28s to AAA | 2026-03-14 | 2026 SCS Spring Age Group Champs @ RMDA - cop venue |
| 200 Butterfly | SCY | 2:18.72 | AAA+6.23s to AAAA | 2026-06-20 | 2026 CA OC GOLD June 2026 ABC SC Age Group Me venue |
| 100 Individual Medley | SCY | 1:37.14 | +15.25s to B | 2024-06-22 | 2024 CA CHS June SC Sharkfest BB,B, C slow pool |
| 50 Freestyle | LCM | 29.19 | AAA+1.10s to AAAA | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 100 Freestyle | LCM | 1:02.48 | AAA+0.89s to AAAA | 2026-06-12 | ARMADA-2026 SCS June AG Invite venue |
| 200 Freestyle | LCM | 2:16.52 | AAA+2.13s to AAAA | 2026-06-11 | ARMADA-2026 SCS June AG Invite venue |
| 400 Freestyle | LCM | 4:50.02 | AAA+4.13s to AAAA | 2026-06-13 | ARMADA-2026 SCS June AG Invite venue |
| 50 Backstroke | LCM | 36.17 | A+0.08s to AA | 2026-04-12 | 2026 FAST Orange Committee April BB Min Meet venue |
| 100 Backstroke | LCM | 1:14.91 | AA+0.62s to AAA | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 50 Butterfly | LCM | 33.27 | AA+1.28s to AAA | 2026-05-03 | 2026 CA MVN May BB Min LCM venue |
| 100 Butterfly | LCM | 1:11.73 | AA+0.04s to AAA | 2026-05-23 | 2026 CA 30th NOVA-Speedo Grand Challenge venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 32.76 | flying | 200 Free Relay (leg 2) | 2025-01-11 | 2025 CA CCAQ EC SC ABC Meet |
| 100 Freestyle | SCY | 55.33 | flying | 400 Medley Relay (leg 4) | 2026-03-14 | 2026 SCS Spring Age Group Champs @ RMDA - cop |
| 100 Freestyle | SCY | 1:03.86 | flying | 400 Free Relay (leg 2) | 2025-07-19 | 2025 CA GOLD OC Summer Championhip SCY |
| 50 Backstroke | SCY | 33.72 | flat | 200 Medley Relay | 2025-07-20 | 2025 CA GOLD OC Summer Championhip SCY |
| 50 Freestyle | LCM | 28.65 | flat | 200 Free Relay | 2026-06-13 | ARMADA-2026 SCS June AG Invite |
| 50 Freestyle | LCM | 28.47 | flying | 200 Medley Relay (leg 4) | 2026-06-12 | ARMADA-2026 SCS June AG Invite |
| 50 Freestyle | LCM | 35.33 | flying | 200 Free Relay (leg 2) | 2024-07-06 | 2024 CA CCAQ Eastern Committee LC 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 11-12 · LCM
2630 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:50.02 | 957 |
| 100 BK LCM | 1:14.91 | 829 |
| 100 FL LCM | 1:11.73 | 844 |
| 100 BR LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · SCY
2675 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:59.70 | 933 |
| 50 BK SCY | 31.44 | 720 |
| 50 FL SCY | 29.06 | 774 |
| 100 IM SCY | 1:37.14 | 248 |
| 50 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.14
Front half 26.96s · back half 28.18s
200 Freestyle SCY 1:59.70
Front half 59.22s · back half 60.48s
500 Freestyle SCY 5:19.96
Front half 160.11s · back half 159.85s
100 Backstroke SCY 1:05.17
Front half 32.16s · back half 33.01s
200 Backstroke SCY 2:25.28
Front half 71.21s · back half 74.07s
100 Butterfly SCY 1:03.77
Front half 30.40s · back half 33.37s
200 Butterfly SCY 2:18.72
Front half 65.58s · back half 73.14s
100 Individual Medley SCY 1:37.14
Front half 43.70s · back half 53.44s
200 Freestyle LCM 2:16.52
Front half 67.74s · back half 68.78s
400 Freestyle LCM 4:50.02
Front half 146.93s · back half 143.09s
100 Butterfly LCM 1:11.73
Front half 33.94s · back half 37.79s
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.