swimNisou Miyakoshi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Breaststroke | SCY | 1:03.93 | A+1.84s to AA·+0.74s to Sectionals | 2026-04-02 | 2026 YMCA SCY Time Trialsvenue |
| 100 Butterfly | SCY | 52.27 | AA+0.28s to AAA·Sectionals ✓+1.68s to Futures | 2026-03-31 | 2026 YMCA Short Course Nationalsvenue |
| 200 Butterfly | SCY | 1:57.07 | AA+0.18s to AAA·Sectionals ✓+3.38s to Futures | 2026-04-03 | 2026 YMCA SCY Time Trialsvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 Butterfly | SCY | 24.24 | flying | 200 Medley Relay (leg 3) | 2026-03-30 | 2026 YMCA Short Course Nationals |
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 17-18 · SCY
824 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FL SCY | 1:57.07 | 824 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1499 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:03.93 | 671 |
| 100 FL SCY | 52.27 | 828 |
| 200 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 1:03.93 RT 0.69s
Front half 29.88s · back half 34.05s
100 Butterfly SCY 52.27 RT 0.70s
Front half 24.51s · back half 27.76s
200 Butterfly SCY 1:57.07 RT 0.73s
Front half 54.70s · back half 62.37s
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.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.