swimKoki Tsujiuchi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.12 | AAAA·+4.83s to Sectionals | 2025-01-01 | SA- Best of the South |
| 100 Freestyle | SCY | 1:06.96 | AA+2.87s to AAA·+18.67s to Sectionals | 2026-03-01 | 2026 SE Southeastern Winter SC Championshipsvenue |
| 200 Freestyle | SCY | 2:31.80 | BB+0.11s to A·+46.01s to Sectionals | 2026-01-18 | 2026 HSA TYR Invitationalvenue |
| 500 Freestyle | SCY | 6:57.13 | BB+13.54s to A·+131.04s to Sectionals | 2026-01-16 | 2026 HSA TYR Invitationalvenue |
| 50 Backstroke | SCY | 35.48 | AA+1.29s to AAA·+9.79s to Sectionals | 2026-03-21 | 2026 NC TAC ESSZ Age Group Sectionalsvenue |
| 100 Backstroke | SCY | 1:18.45 | A+2.16s to AA·+23.36s to Sectionals | 2026-01-18 | 2026 HSA TYR Invitationalvenue |
| 50 Breaststroke | SCY | 44.10 | BB+2.01s to A·+14.61s to Sectionals | 2026-01-17 | 2026 HSA TYR Invitationalvenue |
| 100 Breaststroke | SCY | 1:40.89 | BB+9.20s to A·+38.20s to Sectionals | 2025-12-07 | 2025 Holiday Classicvenue |
| 50 Butterfly | SCY | 32.33 | AAA+1.54s to AAAA·+8.04s to Sectionals | 2025-01-17 | 2024 SE Southeastern Summer LC Championships |
| 100 Butterfly | SCY | 1:20.05 | A+0.26s to AA·+27.36s to Sectionals | 2026-02-28 | 2026 SE Southeastern Winter SC Championshipsvenue |
| 100 Individual Medley | SCY | 1:19.85 | A+3.36s to AA | 2026-03-01 | 2026 SE Southeastern Winter SC Championshipsvenue |
| 200 Individual Medley | SCY | 2:53.96 | BB+0.47s to A·+54.57s to Sectionals | 2025-10-17 | 2025 HSA Fran Norris Meetvenue |
| 50 Freestyle | LCM | 33.17 | AA+0.18s to AAA·+7.58s to Sectionals | 2026-07-18 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 100 Freestyle | LCM | 1:14.37 | AA+1.08s to AAA·+19.08s to Sectionals | 2026-04-19 | HSA April LC Meetvenue |
| 200 Freestyle | LCM | 2:46.45 | A+0.06s to AA·+45.56s to Sectionals | 2026-05-17 | NAC LC May Classicvenue |
| 400 Freestyle | LCM | 6:25.22 | BB+18.03s to A·+126.13s to Sectionals | 2025-05-18 | 2025 May Invitationalvenue |
| 50 Backstroke | LCM | 41.65 | A+0.56s to AA·+11.46s to Sectionals | 2026-05-16 | NAC LC May Classicvenue |
| 100 Backstroke | LCM | 1:29.25 | A+1.06s to AA·+24.76s to Sectionals | 2026-05-17 | NAC LC May Classicvenue |
| 50 Breaststroke | LCM | 49.49 | BB+1.60s to A·+15.30s to Sectionals | 2026-07-18 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 100 Breaststroke | LCM | 1:55.01 | BB+9.42s to A·+42.62s to Sectionals | 2025-05-17 | 2025 May Invitationalvenue |
| 50 Butterfly | LCM | 37.21 | AA+0.62s to AAA·+9.42s to Sectionals | 2026-07-19 | 2026 SE Southeastern Summer LC Championshipsvenue |
| 100 Butterfly | LCM | 1:29.99 | AA+4.80s to AAA·+29.50s to Sectionals | 2026-05-16 | NAC LC May Classicvenue |
| 200 Individual Medley | LCM | 3:09.21 | AA+8.12s to AAA·+51.52s to Sectionals | 2026-05-16 | NAC LC May Classicvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 35.22 | flying | 200 Medley Relay (leg 4) | 2025-02-08 | 2025 SE BSL Region 3 Championships |
| 50 Freestyle | SCY | 30.53 | flying | 200 Free Relay (leg 2) | 2026-02-27 | 2026 SE Southeastern Winter SC Championships |
| 50 Backstroke | SCY | 35.51 | flat | 200 Medley Relay | 2026-02-28 | 2026 SE Southeastern Winter SC Championships |
| 50 Freestyle | LCM | 33.94 | flying | 200 Free Relay (leg 4) | 2025-07-18 | 2025 SE Southeastern Summer LC Championships |
| 50 Freestyle | LCM | 33.43 | flying | 200 Medley Relay (leg 4) | 2026-07-18 | 2026 SE Southeastern Summer LC Championships |
| 50 Butterfly | LCM | 41.32 | flying | 200 Medley Relay (leg 3) | 2025-07-19 | 2025 SE Southeastern Summer LC 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 10 & under · LCM
3425 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:46.45 | 756 |
| 100 BK LCM | 1:29.25 | 719 |
| 100 BR LCM | 1:55.01 | 506 |
| 100 FL LCM | 1:29.99 | 691 |
| 200 IM LCM | 3:09.21 | 753 |
IMR 10 & under · LCM
3678 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:14.37 | 826 |
| 50 BK LCM | 41.65 | 700 |
| 50 BR LCM | 49.49 | 589 |
| 50 FL LCM | 37.21 | 810 |
| 200 IM LCM | 3:09.21 | 753 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:06.96
Front half 31.70s · back half 35.26s
200 Freestyle SCY 2:31.80
Front half 73.22s · back half 78.58s
500 Freestyle SCY 6:57.13
Front half 205.01s · back half 212.12s
100 Backstroke SCY 1:18.45
Front half 37.44s · back half 41.01s
100 Breaststroke SCY 1:40.89
Front half 17.24s · back half 83.65s
100 Butterfly SCY 1:20.05
Front half 35.51s · back half 44.54s
100 Individual Medley SCY 1:19.85
Front half 35.89s · back half 43.96s
200 Individual Medley SCY 2:53.96
Front half 82.12s · back half 91.84s
100 Freestyle LCM 1:14.37
Front half 35.11s · back half 39.26s
200 Freestyle LCM 2:46.45
Front half 80.77s · back half 85.68s
400 Freestyle LCM 6:25.22
Front half 188.98s · back half 196.24s
100 Backstroke LCM 1:29.25
Front half 42.67s · back half 46.58s
100 Breaststroke LCM 1:55.01
Front half 53.38s · back half 61.63s
100 Butterfly LCM 1:29.99
Front half 41.31s · back half 48.68s
200 Individual Medley LCM 3:09.21
Front half 88.59s · back half 100.62s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.