swimMarcus Matsui
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.96 | AA+0.57s to AAA | 2026-04-19 | 44th Annual Harry Mamizuka Invitational venue |
| 100 Freestyle | SCY | 54.28 | AA+1.19s to AAA | 2026-02-26 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 200 Freestyle | SCY | 2:03.06 | A+1.67s to AA | 2026-04-19 | 44th Annual Harry Mamizuka Invitational venue |
| 50 Backstroke | SCY | 30.26 | A+1.17s to AA | 2026-04-19 | 44th Annual Harry Mamizuka Invitational venue |
| 100 Backstroke | SCY | 1:08.45 | BB+4.66s to A | 2025-10-25 | 2025 HI 25th Annual Bill Smith Invitational - venue |
| 200 Backstroke | SCY | 2:39.20 | B+8.61s to BB | 2025-01-01 | 1599950 |
| 25 Breaststroke | SCY | 35.85 | 2022-09-10 | 2022 HI Oahu ABC Meet | |
| 50 Breaststroke | SCY | 31.41 | AAA+1.02s to AAAA | 2026-03-01 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 100 Breaststroke | SCY | 1:12.19 | A+2.90s to AA | 2025-10-26 | 2025 HI 25th Annual Bill Smith Invitational - venue |
| 200 Breaststroke | SCY | 2:45.02 | BB+8.23s to A | 2025-12-06 | 45th Annual Ken Suenaga Invitational (SCY) venue |
| 50 Butterfly | SCY | 27.60 | AA+0.31s to AAA | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 100 Butterfly | SCY | 1:02.60 | A+2.01s to AA | 2026-03-01 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 200 Butterfly | SCY | 2:33.72 | B+0.23s to BB | 2026-02-15 | OSL Senior B SCY Meet fast pool |
| 100 Individual Medley | SCY | 1:03.23 | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool | |
| 200 Individual Medley | SCY | 2:18.74 | A+3.45s to AA | 2026-02-28 | 2026 HI Hawaiian Swimming SCY AGChamps fast pool |
| 400 Individual Medley | SCY | 5:22.28 | BB+19.89s to A | 2025-01-01 | K Mark Takai Veterans Mem Aq Ctr, Waipahu |
| 50 Freestyle | LCM | 27.18 | AAA+0.39s to AAAA | 2026 15th Annual Wada Rainbow Invitational - venue | |
| 100 Freestyle | LCM | 1:01.30 | AAA+2.61s to AAAA | 2026-07-05 | 2026 Keo Nakama Swim Meet venue |
| 200 Freestyle | LCM | 2:14.65 | AA+1.06s to AAA | 2025-08-06 | 2025 Western Zone Age Group LCM Championships |
| 50 Backstroke | LCM | 34.26 | A+0.37s to AA | 2026-06-07 | 2026 15th Annual Wada Rainbow Invitational - venue |
| 100 Backstroke | LCM | 1:16.48 | BB+1.59s to A | 2026-06-06 | 2026 15th Annual Wada Rainbow Invitational - venue |
| 50 Breaststroke | LCM | 35.96 | AAA+1.47s to AAAA | 2026-05-23 | 50th Annual Coach Soichi Sakamoto Invitationa venue |
| 100 Breaststroke | LCM | 1:22.18 | A+2.29s to AA | 2026-07-04 | 2026 Keo Nakama Swim Meet venue |
| 200 Breaststroke | LCM | 2:54.61 | AA+6.92s to AAA | 2025-01-01 | 1646543 |
| 50 Butterfly | LCM | 29.63 | AAA+0.34s to AAAA | 2026-05-23 | 50th Annual Coach Soichi Sakamoto Invitationa venue |
| 100 Butterfly | LCM | 1:14.19 | BB+2.10s to A | 2025-08-09 | 2025 Western Zone Age Group Championships fast pool |
| 200 Individual Medley | LCM | 2:39.56 | A+3.17s to AA | 2026-07-03 | 2026 Keo Nakama Swim Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 Backstroke | SCY | 46.29 | flat | 200 Medley Relay | 2022-12-04 | 2022 HI 42nd Annual Ken Suenaga Invitational |
| 50 Butterfly | SCY | 27.55 | flying | 200 Medley Relay (leg 3) | 2026-02-27 | 2026 HI Hawaiian Swimming SCY AGChamps |
| 50 Freestyle | LCM | 30.08 | flying | 200 Free Relay (leg 3) | 2025-08-09 | 2025 Western Zone Age Group Championships |
| 100 Freestyle | LCM | 1:03.48 | flying | 400 Free Relay (leg 4) | 2026-07-05 | 2026 Keo Nakama Swim Meet |
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 13-14 · SCY
2442 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:39.20 | 386 |
| 200 BR SCY | 2:45.02 | 502 |
| 200 FL SCY | 2:33.72 | 447 |
| 200 IM SCY | 2:18.74 | 622 |
| 400 IM SCY | 5:22.28 | 485 |
| 500 FR SCY | — | 0 |
IMR 13-14 · LCM
3111 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:14.65 | 762 |
| 100 BK LCM | 1:16.48 | 553 |
| 100 BR LCM | 1:22.18 | 625 |
| 100 FL LCM | 1:14.19 | 536 |
| 200 IM LCM | 2:39.56 | 635 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.28
Front half 25.98s · back half 28.30s
200 Freestyle SCY 2:03.06
Front half 58.11s · back half 64.95s
200 Backstroke SCY 2:39.20 split/total mismatch
100 Butterfly SCY 1:02.60
Front half 29.40s · back half 33.20s
200 Butterfly SCY 2:33.72
100 Individual Medley SCY 1:03.23
Front half 30.71s · back half 32.52s
200 Individual Medley SCY 2:18.74
Front half 68.84s · back half 69.90s
200 Individual Medley LCM 2:39.56
Front half 78.71s · back half 80.85s
Progression
Faster times are higher. One card per event, all courses & history.