swimMichael Yamamoto
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.67 | BB+1.98s to A·+6.38s to Sectionals | 2026-02-06 | 2026 TBAC Winter Meet - copied venue |
| 100 Freestyle | SCY | 47.75 | AAAA·Sectionals ✓+1.36s to Futures | 2025-10-10 | WFLA Halloween Invitational |
| 200 Freestyle | SCY | 2:18.08 | B+0.89s to BB·+32.29s to Sectionals | 2026-02-07 | 2026 TBAC Winter Meet - copied venue |
| 500 Freestyle | SCY | 6:09.43 | BB+27.74s to A·+83.34s to Sectionals | 2026-01-23 | BLOOMIN' FAST SWIM MEET venue |
| 50 Backstroke | SCY | 35.07 | B+2.18s to BB·+9.38s to Sectionals | 2026-01-23 | BLOOMIN' FAST SWIM MEET venue |
| 100 Backstroke | SCY | 1:32.80 | +18.41s to B·+37.71s to Sectionals | 2024-09-08 | 2024 KAH20 Coach Kelley Allen Memoria Meetl venue |
| 50 Breaststroke | SCY | 32.52 | AA+0.73s to AAA·+3.03s to Sectionals | 2026-03-07 | 2026 Florida Swimming FLAGS NORTH venue |
| 100 Breaststroke | SCY | 1:02.90 | AAAA·+0.21s to Sectionals | 2026-01-23 | BLOOMIN' FAST SWIM MEET |
| 200 Breaststroke | SCY | 2:35.88 | A+5.59s to AA·+16.59s to Sectionals | 2026-03-06 | 2026 Florida Swimming FLAGS NORTH venue |
| 50 Butterfly | SCY | 32.62 | B+0.43s to BB·+8.33s to Sectionals | 2026-02-27 | 2026 Spring Area 3 Championships venue |
| 100 Butterfly | SCY | 1:24.69 | +10.90s to B·+32.00s to Sectionals | 2025-09-21 | Kiefer - Speedo Fall Invitational venue |
| 100 Individual Medley | SCY | 1:13.66 | 2025-09-19 | Kiefer - Speedo Fall Invitational venue | |
| 200 Individual Medley | SCY | 2:36.57 | B+3.68s to BB·+37.18s to Sectionals | 2025-11-21 | SPA - PYP NOVEMBER 2025 venue |
| 400 Individual Medley | SCY | 5:35.84 | B+8.25s to BB·+83.85s to Sectionals | 2025-11-22 | SPA - PYP NOVEMBER 2025 venue |
| 50 Freestyle | LCM | 30.76 | BB+0.17s to A·+5.17s to Sectionals | 2026-07-12 | 2026 FL Summer Age Group Championships venue |
| 100 Freestyle | LCM | 1:12.36 | BB+5.27s to A·+17.07s to Sectionals | 2026-05-03 | 2026 WFLA SPRING OPEN venue |
| 200 Freestyle | LCM | 2:33.72 | BB+8.03s to A·+32.83s to Sectionals | 2026-06-13 | 2026 Sarastoa Shark Open venue |
| 400 Freestyle | LCM | 5:35.35 | B+1.16s to BB·+76.26s to Sectionals | 2026-05-02 | 2026 WFLA SPRING OPEN venue |
| 800 Freestyle | LCM | 11:04.96 | BB+20.97s to A·+129.37s to Sectionals | 2026-06-11 | 2026 Sarastoa Shark Open venue |
| 50 Backstroke | LCM | 37.56 | BB+2.17s to A·+7.37s to Sectionals | 2026-06-13 | 2026 Sarastoa Shark Open venue |
| 100 Backstroke | LCM | 1:24.43 | B+3.34s to BB·+19.94s to Sectionals | 2026-04-18 | 2026 SAINT PETE'S 1st LONG COURSE MEET venue |
| 50 Breaststroke | LCM | 36.82 | AA+0.73s to AAA·+2.63s to Sectionals | 2026-06-14 | 2026 Sarastoa Shark Open venue |
| 100 Breaststroke | LCM | 1:20.54 | A+0.65s to AA·+8.15s to Sectionals | 2026-06-12 | 2026 Sarastoa Shark Open venue |
| 200 Breaststroke | LCM | 2:54.28 | AA+6.59s to AAA·+13.89s to Sectionals | 2026-06-14 | 2026 Sarastoa Shark Open venue |
| 50 Butterfly | LCM | 43.41 | +4.42s to B·+15.62s to Sectionals | 2024-04-21 | 2024 SPA Spring First Long Course Meet venue |
| 200 Individual Medley | LCM | 2:47.31 | BB+4.12s to A·+29.62s to Sectionals | 2026-07-12 | 2026 FL Summer Age Group Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 34.20 | flying | 200 Free Relay (leg 3) | 2024-10-26 | 2024 GTSA TYR Swim Classic at Berkeley |
| 50 Breaststroke | SCY | 33.06 | flying | 200 Medley Relay (leg 2) | 2025-03-08 | 2025 Florida Swimming FLAGs - SOUTH |
| 50 Breaststroke | LCM | 41.12 | flying | 200 Medley Relay (leg 2) | 2025-07-10 | 2025 FL Summer Age Group Championships |
| 100 Breaststroke | LCM | 1:20.71 | flying | 400 Medley Relay (leg 2) | 2026-07-10 | 2026 FL Summer Age Group 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 13-14 · SCY
1937 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:09.43 | 480 |
| 200 BR SCY | 2:35.88 | 596 |
| 200 IM SCY | 2:36.57 | 433 |
| 400 IM SCY | 5:35.84 | 428 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
2214 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:18.08 | 463 |
| 100 BK SCY | 1:32.80 | 191 |
| 100 BR SCY | 1:02.90 | 884 |
| 100 FL SCY | 1:24.69 | 243 |
| 200 IM SCY | 2:36.57 | 433 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:18.08
500 Freestyle SCY 6:09.43
Front half 184.04s · back half 185.39s
100 Backstroke SCY 1:32.80
Front half 45.48s · back half 47.32s
200 Breaststroke SCY 2:35.88
Front half 75.23s · back half 80.65s
100 Butterfly SCY 1:24.69
Front half 37.81s · back half 46.88s
100 Individual Medley SCY 1:13.66
Front half 36.33s · back half 37.33s
200 Individual Medley SCY 2:36.57
Front half 78.59s · back half 77.98s
400 Individual Medley SCY 5:35.84
Front half 172.94s · back half 162.90s
200 Freestyle LCM 2:33.72
Front half 74.22s · back half 79.50s
400 Freestyle LCM 5:35.35
Front half 166.43s · back half 168.92s
800 Freestyle LCM 11:04.96
Front half 330.89s · back half 334.07s
100 Backstroke LCM 1:24.43
Front half 40.85s · back half 43.58s
100 Breaststroke LCM 1:20.54
Front half 37.42s · back half 43.12s
200 Breaststroke LCM 2:54.28
Front half 84.20s · back half 90.08s
200 Individual Medley LCM 2:47.31 RT 0.69s
Front half 84.41s · back half 82.90s
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.