swimKai Matsubara
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.48 | BB+2.39s to A | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 100 Freestyle | SCY | 1:12.30 | +0.81s to B | 2025-10-12 | 2025 CA Cerritos SC Swim Meet venue |
| 200 Freestyle | SCY | 2:32.66 | B+7.77s to BB | 2026-03-08 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 50 Backstroke | SCY | 35.80 | B+0.21s to BB | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 100 Backstroke | SCY | 1:23.37 | +1.18s to B | 2026-02-14 | 2026 Metro Champs @ La Mirada Armada venue |
| 50 Breaststroke | SCY | 40.64 | B+0.55s to BB | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 100 Breaststroke | SCY | 1:28.06 | B+2.57s to BB | 2026-02-15 | 2026 Metro Champs @ La Mirada Armada venue |
| 50 Butterfly | SCY | 34.06 | BB+2.87s to A | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 100 Butterfly | SCY | 1:21.26 | B+5.17s to BB | 2026-03-08 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 100 Individual Medley | SCY | 1:16.00 | B+0.11s to BB | 2026-06-28 | 2026 Metro Committee Summer Festival venue |
| 200 Individual Medley | SCY | 2:49.06 | B+3.27s to BB | 2026-03-07 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 50 Freestyle | LCM | 34.41 | BB+2.32s to A | 2026-05-23 | 2026 Lakewood May Lc Invite venue |
| 100 Freestyle | LCM | 1:17.47 | B+1.28s to BB | 2026-05-03 | 26 ESA Dolphins Swim Team venue |
| 200 Freestyle | LCM | 2:43.44 | BB+9.85s to A | 2026-05-23 | 2026 Lakewood May Lc Invite venue |
| 50 Backstroke | LCM | 41.37 | B+0.18s to BB | 2026-05-02 | 26 ESA Dolphins Swim Team venue |
| 100 Backstroke | LCM | 1:31.01 | B+1.42s to BB | 2026-05-03 | 26 ESA Dolphins Swim Team venue |
| 50 Breaststroke | LCM | 47.65 | B+1.76s to BB | 2026-05-03 | 26 ESA Dolphins Swim Team venue |
| 100 Breaststroke | LCM | 1:38.19 | BB+6.90s to A | 2026-05-23 | 2026 Lakewood May Lc Invite venue |
| 50 Butterfly | LCM | 39.84 | B+1.15s to BB | 2026-05-03 | 26 ESA Dolphins Swim Team venue |
| 200 Individual Medley | LCM | 3:00.25 | BB+6.06s to A | 2026-05-02 | 26 ESA Dolphins Swim Team 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.
IMX / IMR
IMX 11-12 · SCY
1679 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:23.37 | 363 |
| 100 BR SCY | 1:28.06 | 456 |
| 100 FL SCY | 1:21.26 | 384 |
| 200 IM SCY | 2:49.06 | 476 |
| 500 FR SCY | — | 0 |
IMR 11-12 · LCM
2499 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:43.44 | 555 |
| 50 BK LCM | 41.37 | 488 |
| 50 BR LCM | 47.65 | 434 |
| 50 FL LCM | 39.84 | 439 |
| 200 IM LCM | 3:00.25 | 583 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:12.30
Front half 35.32s · back half 36.98s
200 Freestyle SCY 2:32.66
Front half 75.34s · back half 77.32s
100 Backstroke SCY 1:23.37
Front half 41.02s · back half 42.35s
100 Breaststroke SCY 1:28.06
Front half 43.55s · back half 44.51s
100 Butterfly SCY 1:21.26
Front half 38.71s · back half 42.55s
100 Individual Medley SCY 1:16.00
Front half 36.65s · back half 39.35s
200 Individual Medley SCY 2:49.06
200 Freestyle LCM 2:43.44
Front half 78.96s · back half 84.48s
200 Individual Medley LCM 3:00.25
Front half 89.21s · back half 91.04s
Progression
Faster times are higher. One card per event, all courses & history.