swimOlivia Kosaka
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.61 | BB+0.22s to A | 2026-01-15 | JW New Year's ABBC |
| 100 Freestyle | SCY | 1:03.80 | A+2.41s to AA | 2026-03-31 | 2026 MASI Short Course Silver Championships hosted by BWA |
| 200 Freestyle | SCY | 2:18.45 | A+4.26s to AA | 2026-01-15 | JW New Year's ABBC |
| 500 Freestyle | SCY | 6:16.31 | BB+1.42s to A | 2026-01-19 | FCA Distance Challenege |
| 50 Backstroke | SCY | 35.82 | BB+2.53s to A | 2026-01-15 | JW New Year's ABBC |
| 100 Backstroke | SCY | 1:15.17 | BB+2.18s to A | 2026-01-15 | JW New Year's ABBC |
| 200 Backstroke | SCY | 2:42.84 | BB+8.45s to A | 2026-01-19 | FCA Distance Challenege |
| 50 Breaststroke | SCY | 41.42 | B+0.53s to BB | 2025-11-20 | 1657246 |
| 100 Breaststroke | SCY | 1:34.80 | B+5.41s to BB | 2025-01-13 | EAAC January Jam ABBC Meet |
| 50 Butterfly | SCY | 34.74 | B+0.45s to BB | 2026-01-15 | JW New Year's ABBC |
| 100 Butterfly | SCY | 1:16.86 | BB+4.57s to A | 2025-11-20 | 1657246 |
| 200 Butterfly | SCY | 3:02.05 | B+11.76s to BB | 2025-01-13 | EAAC January Jam ABBC Meet |
| 100 Individual Medley | SCY | 1:20.36 | B+1.17s to BB | 2025-02-20 | UDAC Closed Invite |
| 200 Individual Medley | SCY | 2:46.65 | BB+8.96s to A | 2026-01-15 | JW New Year's ABBC |
| 50 Freestyle | LCM | 33.25 | A+1.26s to AA | 2026-01-01 | 1727933 |
| 100 Freestyle | LCM | 1:13.12 | A+2.73s to AA | 2026-01-01 | 1727933 |
| 200 Freestyle | LCM | 2:39.73 | A+6.24s to AA | 2026-01-01 | 1727933 |
| 50 Backstroke | LCM | 42.34 | B+0.65s to BB | 2025-07-31 | MASI Long Course Silver Championships at GCIT |
| 100 Backstroke | LCM | 1:31.65 | BB+6.86s to A | 2026-06-08 | FCA Quaker Invitational |
| 50 Breaststroke | LCM | 47.58 | B+1.39s to BB | 2025-06-04 | LAC Longing for Summer |
| 100 Breaststroke | LCM | 1:43.98 | B+1.79s to BB | 2025-06-04 | LAC Longing for Summer |
| 50 Butterfly | LCM | 38.77 | BB+2.98s to A | 2026-01-01 | 1727933 |
| 100 Butterfly | LCM | 1:33.40 | B+2.81s to BB | 2026-01-01 | 1727933 |
| 200 Individual Medley | LCM | 3:14.56 | BB+13.87s to A | 2025-06-04 | LAC Longing for Summer |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
IMX / IMR
IMX 11-12 · SCY
2753 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:16.31 | 660 |
| 100 BK SCY | 1:15.17 | 580 |
| 100 BR SCY | 1:34.80 | 428 |
| 100 FL SCY | 1:16.86 | 519 |
| 200 IM SCY | 2:46.65 | 566 |
IMR 11-12 · SCY
2730 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:18.45 | 682 |
| 50 BK SCY | 35.82 | 535 |
| 50 BR SCY | 41.42 | 505 |
| 50 FL SCY | 34.74 | 506 |
| 100 IM SCY | 1:20.36 | 502 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.80 split/total mismatch
Front half 30.58s · back half 33.22s
200 Freestyle SCY 2:18.45
Front half 67.29s · back half 71.16s
500 Freestyle SCY 6:16.31
Front half 181.42s · back half 194.89s
100 Backstroke SCY 1:15.17
Front half 36.71s · back half 38.46s
200 Backstroke SCY 2:42.84
Front half 77.89s · back half 84.95s
100 Breaststroke SCY 1:34.80 split/total mismatch
Front half 45.17s · back half 49.63s
100 Butterfly SCY 1:16.86 split/total mismatch
Front half 34.75s · back half 42.11s
200 Butterfly SCY 3:02.05 split/total mismatch
200 Individual Medley SCY 2:46.65
Front half 79.82s · back half 86.83s
100 Breaststroke LCM 1:43.98 split/total mismatch
Front half 49.45s · back half 54.53s
200 Individual Medley LCM 3:14.56 split/total mismatch
Progression
Faster times are higher. One card per event, all courses & history.