Sora Koike
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.06 | AAAA | 2024-12-21 | 2024 CA-NV December Sectionals At BREA venue |
| 100 Freestyle | SCY | 50.30 | AAAA | 2025-11-09 | 2025 Legends of Coaching Series_Peter Daland venue |
| 200 Freestyle | SCY | 1:47.83 | AAAA | 2026-02-27 | 2026 SI CA/NV Speedo Sectionals Oceanside venue |
| 500 Freestyle | SCY | 4:52.51 | AAAA | 2025-11-07 | 2025 Legends of Coaching Series_Peter Daland venue |
| 1000 Freestyle | SCY | 10:33.01 | AAA+9.72s to AAAA | 2026-02-01 | BCA Winter Heats venue |
| 50 Backstroke | SCY | 27.84 | AA+0.15s to AAA | 2025-09-20 | 2025 TSM Aquatics Season Opener venue |
| 50 Breaststroke | SCY | 34.13 | A+0.44s to AA | 2025-09-14 | BCA Fall Intersquad venue |
| 50 Butterfly | SCY | 25.74 | AAAA | 2026-02-15 | 2026 MVN Lunar AAPI Festival venue |
| 100 Butterfly | SCY | 55.71 | AAA+0.12s to AAAA | 2025-11-08 | 2025 Legends of Coaching Series_Peter Daland venue |
| 100 Individual Medley | SCY | 1:01.53 | 2025-09-14 | BCA Fall Intersquad venue | |
| 200 Individual Medley | SCY | 2:09.09 | AAA+4.50s to AAAA | 2026-02-14 | 2026 MVN Lunar AAPI Festival venue |
| 50 Freestyle | LCM | 26.54 | AAAA | 2025-08-03 | 2025 Speedo Junior National Championships fast pool |
| 100 Freestyle | LCM | 58.34 | AAAA | 2026-06-19 | 2026 CA MVN Fran Crippen SMOC venue |
| 200 Freestyle | LCM | 2:06.44 | AAAA | 2025-08-02 | 2025 Speedo Junior National Championships fast pool |
| 400 Freestyle | LCM | 4:30.19 | AAA+1.90s to AAAA | 2025-08-01 | 2025 Speedo Junior National Championships fast pool |
| 50 Butterfly | LCM | 29.99 | AAA+0.80s to AAAA | 2026-06-20 | 2026 CA MVN Fran Crippen SMOC venue |
| 100 Butterfly | LCM | 1:06.01 | AAA+2.72s to AAAA | 2026-06-21 | 2026 CA MVN Fran Crippen SMOC venue |
| 200 Individual Medley | LCM | 2:33.92 | AA+4.03s to AAA | 2024-03-03 | 2024 CA/NV Speedo Sectional venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 22.71 | flying | 200 Free Relay (leg 3) | 2025-12-12 | 2025 West Speedo Winter Juniors |
| 50 Freestyle | SCY | 22.71 | flying | 200 Medley Relay (leg 4) | 2024-05-04 | 2024 CIF-SS Division 1 |
| 100 Freestyle | SCY | 50.29 | flying | 400 Free Relay (leg 3) | 2025-12-13 | 2025 West Speedo Winter Juniors |
| 100 Freestyle | SCY | 49.90 | flying | 400 Medley Relay (leg 4) | 2025-12-11 | 2025 West Speedo Winter Juniors |
| 200 Freestyle | SCY | 1:48.65 | flying | 800 Free Relay (leg 4) | 2024-12-19 | 2024 CA-NV December Sectionals At BREA |
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 17-18 · SCY
1908 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:52.51 | 1050 |
| 200 IM SCY | 2:09.09 | 858 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2902 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:47.83 | 1072 |
| 100 FL SCY | 55.71 | 972 |
| 200 IM SCY | 2:09.09 | 858 |
| 100 BK SCY | — | 0 |
| 100 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 50.30
Front half 23.95s · back half 26.35s
200 Freestyle SCY 1:47.83
Front half 53.06s · back half 54.77s
500 Freestyle SCY 4:52.51
Front half 144.91s · back half 147.60s
1000 Freestyle SCY 10:33.01
Front half 316.26s · back half 316.75s
100 Butterfly SCY 55.71
Front half 26.60s · back half 29.11s
100 Individual Medley SCY 1:01.53
Front half 27.88s · back half 33.65s
200 Individual Medley SCY 2:09.09
Front half 60.32s · back half 68.77s
100 Freestyle LCM 58.34
Front half 28.29s · back half 30.05s
200 Freestyle LCM 2:06.44 RT 0.61s
Front half 62.09s · back half 64.35s
400 Freestyle LCM 4:30.19 RT 0.59s
Front half 131.45s · back half 138.74s
100 Butterfly LCM 1:06.01
Front half 30.87s · back half 35.14s
200 Individual Medley LCM 2:33.92
Front half 71.56s · back half 82.36s
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.