Jin Yamamoto
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | LCM | 1:10.25 | +11.26s to Sectionals | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 200 Freestyle | LCM | 2:36.83 | +28.14s to Sectionals | 2025-08-09 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 200 Backstroke | LCM | 2:53.93 | +32.44s to Sectionals | 2025-08-10 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 50 Butterfly | LCM | 32.14 | +6.75s to Futures | 2025-08-10 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 200 Individual Medley | LCM | 2:51.71 | +27.02s to Sectionals | 2025-08-09 | 2025 USMS Summer Nationals- OBSERVEDvenue |
| 400 Individual Medley | LCM | 6:13.91 | +66.12s to Sectionals | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVEDvenue |
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 | LCM | 32.62 | flying | 200 Medley Relay (leg 3) | 2025-08-07 | 2025 USMS Summer Nationals- OBSERVED |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
100 Freestyle LCM 1:10.25 RT 0.76s
Front half 34.50s · back half 35.75s
200 Freestyle LCM 2:36.83 RT 0.76s
Front half 77.28s · back half 79.55s
200 Backstroke LCM 2:53.93 RT 0.80s
Front half 85.04s · back half 88.89s
200 Individual Medley LCM 2:51.71 RT 0.76s
Front half 77.78s · back half 93.93s
400 Individual Medley LCM 6:13.91 RT 0.82s
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.