swimRiki Yamamoto
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.83 | BB+1.14s to A | 2026-01-18 | January A+ Meet venue |
| 100 Freestyle | SCY | 56.68 | BB+2.39s to A | 2026-01-18 | January A+ Meet venue |
| 200 Freestyle | SCY | 2:08.78 | B+0.39s to BB | 2026-03-07 | 2026 HI Junior Age Group SCY Championship fast pool |
| 500 Freestyle | SCY | 5:53.72 | B+4.23s to BB | 2026-01-10 | K. Mark Takai Swimming and Diving Champs venue |
| 50 Backstroke | SCY | 37.58 | +4.89s to B | 2023-09-09 | 2023-HI- Oahu BC Meet venue |
| 100 Backstroke | SCY | 1:10.03 | +0.54s to B | 2026-01-17 | K. Mark Takai Swimming and Diving Champs venue |
| 50 Butterfly | SCY | 28.78 | BB+0.99s to A | 2026-01-18 | January A+ Meet venue |
| 100 Butterfly | SCY | 1:08.45 | B+4.66s to BB | 2026-01-10 | K. Mark Takai Swimming and Diving Champs venue |
| 100 Individual Medley | SCY | 1:12.88 | 2023-09-09 | 2023-HI- Oahu BC Meet venue | |
| 200 Individual Medley | SCY | 2:37.46 | +3.27s to B | 2024-10-23 | 1563847 |
| 50 Freestyle | LCM | 29.59 | BB+1.00s to A | 2026-07-03 | 2026 Keo Nakama Swim Meet venue |
| 100 Freestyle | LCM | 1:04.74 | BB+2.45s to A | 2026-07-05 | 2026 Keo Nakama Swim Meet venue |
| 400 Freestyle | LCM | 5:24.57 | B+8.18s to BB | 2026-07-03 | 2026 Keo Nakama Swim Meet venue |
| 50 Backstroke | LCM | 35.97 | B+0.08s to BB | 2026-04-25 | University of Hawaii Spring Fling venue |
| 100 Backstroke | LCM | 1:23.34 | +2.15s to B | 2026-06-19 | HISI Senior Summer Championship (LCM) venue |
| 200 Backstroke | LCM | 2:49.67 | B+5.98s to BB | 2026-07-05 | 2026 Keo Nakama Swim Meet venue |
| 50 Breaststroke | LCM | 50.71 | +8.12s to B | 2023-05-06 | 2023 HI Oahu Unclassifed Meet venue |
| 50 Butterfly | LCM | 32.49 | BB+1.20s to A | 2026-07-05 | 2026 Keo Nakama Swim Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 25.80 | flat | 200 Free Relay | 2025-11-23 | HISI Senior Fall Championship (SCY) |
| 50 Freestyle | SCY | 30.92 | flying | 200 Free Relay (leg 2) | 2023-02-19 | 2023 HI Hawaiian Swimming SCY AGChamps |
| 100 Butterfly | SCY | 57.97 | flying | 400 Medley Relay (leg 3) | 2025-11-22 | HISI Senior Fall Championship (SCY) |
| 100 Freestyle | LCM | 1:04.03 | flat | 400 Free Relay | 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 15-16 · LCM
901 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:24.57 | 460 |
| 200 BK LCM | 2:49.67 | 441 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · SCY
1644 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:08.78 | 496 |
| 100 BK SCY | 1:10.03 | 379 |
| 100 FL SCY | 1:08.45 | 398 |
| 200 IM SCY | 2:37.46 | 371 |
| 100 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 5:53.72
Front half 174.95s · back half 178.77s
100 Backstroke SCY 1:10.03
Front half 34.95s · back half 35.08s
100 Butterfly SCY 1:08.45
Front half 31.89s · back half 36.56s
400 Freestyle LCM 5:24.57
Front half 155.24s · back half 169.33s
100 Backstroke LCM 1:23.34
Front half 39.21s · back half 44.13s
200 Backstroke LCM 2:49.67
Front half 82.32s · back half 87.35s
Progression
Faster times are higher. One card per event, all courses & history.