Tyler Yamaguchi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.62 | BB+1.53s to A | 2025-10-04 | 2025 SI CAST Pentathlon 14&U - copied venue |
| 100 Freestyle | SCY | 1:00.83 | A+2.04s to AA | 2025-03-07 | 2025 SI 14U AGE GRP CHAMPIONSHIPS |
| 200 Freestyle | SCY | 2:12.59 | A+4.40s to AA | 2026-03-06 | 2026 SI 14U AGE GRP CHAMPIONSHIPS |
| 500 Freestyle | SCY | 6:02.30 | BB+2.31s to A | 2026-03-21 | 2026 SI CAST All Ages NTS Meet North |
| 50 Backstroke | SCY | 31.36 | A+0.17s to AA | 2026-03-06 | 2026 SI 14U AGE GRP CHAMPIONSHIPS |
| 100 Backstroke | SCY | 1:12.78 | BB+3.49s to A | 2025-12-04 | 2025 Holiday Swim Festival |
| 200 Backstroke | SCY | 2:39.41 | BB+11.22s to A | 2025-11-08 | HSA All Ages NTS venue |
| 50 Breaststroke | SCY | 41.70 | B+1.61s to BB | 2025-10-11 | 2025 SI HSA All Ages B-C venue |
| 100 Breaststroke | SCY | 1:32.54 | B+7.05s to BB | 2025-11-08 | HSA All Ages NTS |
| 50 Butterfly | SCY | 30.39 | A+0.70s to AA | 2026-03-06 | 2026 SI 14U AGE GRP CHAMPIONSHIPS |
| 100 Butterfly | SCY | 1:08.21 | A+2.32s to AA | 2026-03-08 | 2026 SI 14U AGE GRP CHAMPIONSHIPS venue |
| 100 Individual Medley | SCY | 1:08.06 | A+1.07s to AA | 2026-03-06 | 2026 SI 14U AGE GRP CHAMPIONSHIPS |
| 200 Individual Medley | SCY | 2:29.72 | A+4.13s to AA | 2026-03-06 | 2026 SI 14U AGE GRP CHAMPIONSHIPS |
| 50 Freestyle | LCM | 29.40 | AA+0.01s to AAA | 2026-06-20 | 2026 SI Splash and Dash fast pool |
| 100 Freestyle | LCM | 1:08.62 | A+1.13s to AA | 2026-04-26 | 2026 SI PS ABB Meet - B Group venue |
| 200 Freestyle | LCM | 2:31.86 | A+4.67s to AA | 2026-04-25 | 2026 SI PS ABB Meet - B Group venue |
| 50 Backstroke | LCM | 38.77 | BB+0.98s to A | 2026-04-25 | 2026 SI PS ABB Meet - B Group venue |
| 100 Backstroke | LCM | 1:22.28 | BB+0.39s to A | 2026-04-26 | 2026 SI PS ABB Meet - B Group venue |
| 50 Breaststroke | LCM | 51.41 | +1.62s to B | 2025-04-27 | 2025 SI Pacific Swim A-BB LCM Group A venue |
| 50 Butterfly | LCM | 32.95 | AA+0.96s to AAA | 2026-06-21 | 2026 SI Splash and Dash fast pool |
| 100 Butterfly | LCM | 1:21.49 | BB+2.00s to A | 2026-04-26 | 2026 SI PS ABB Meet - B Group venue |
| 200 Individual Medley | LCM | 2:46.07 | AA+7.28s to AAA | 2026-06-20 | 2026 SI Splash and Dash fast pool |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.66 | flying | 200 Free Relay (leg 4) | 2025-03-08 | 2025 SI 14U AGE GRP CHAMPIONSHIPS |
| 50 Freestyle | LCM | 33.80 | flying | 200 Free Relay (leg 3) | 2025-07-25 | 2025 SI LC AG CHAMPS |
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 11-12 · SCY
2932 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:02.30 | 657 |
| 100 BK SCY | 1:12.78 | 546 |
| 100 BR SCY | 1:32.54 | 393 |
| 100 FL SCY | 1:08.21 | 650 |
| 200 IM SCY | 2:29.72 | 686 |
IMR 11-12 · SCY
3242 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:12.59 | 686 |
| 50 BK SCY | 31.36 | 726 |
| 50 BR SCY | 41.70 | 430 |
| 50 FL SCY | 30.39 | 677 |
| 100 IM SCY | 1:08.06 | 723 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 1:12.78
Front half 35.18s · back half 37.60s
100 Butterfly SCY 1:08.21
Front half 31.90s · back half 36.31s
100 Freestyle LCM 1:08.62
Front half 32.72s · back half 35.90s
200 Freestyle LCM 2:31.86
Front half 71.18s · back half 80.68s
100 Backstroke LCM 1:22.28
Front half 39.68s · back half 42.60s
100 Butterfly LCM 1:21.49
Front half 37.16s · back half 44.33s
200 Individual Medley LCM 2:46.07
Front half 77.35s · back half 88.72s
Progression
Faster times are higher. One card per event, all courses & history.