Riku Yamaguchi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | LCM | 28.57 | AAA+0.48s to AAAA | 2019-08-10 | 2019 Western Zone Age Group Championships venue |
| 50 Breaststroke | LCM | 34.48 | AAAA | 2019-08-07 | 2019 Western Zone Age Group Championships venue |
| 100 Breaststroke | LCM | 1:16.50 | AAAA | 2019-08-09 | 2019 Western Zone Age Group Championships venue |
| 200 Breaststroke | LCM | 2:54.25 | AAA+3.26s to AAAA | 2019-08-10 | 2019 Western Zone Age Group Championships venue |
| 50 Butterfly | LCM | 31.09 | AAA+0.80s to AAAA | 2019-08-08 | 2019 Western Zone Age Group Championships venue |
| 200 Individual Medley | LCM | 2:39.29 | AA+0.50s to AAA | 2019-08-08 | 2019 Western Zone Age Group Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
IMX / IMR
IMX 11-12 · LCM
1944 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR LCM | 1:16.50 | 1100 |
| 200 IM LCM | 2:39.29 | 844 |
| 400 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 100 FL LCM | — | 0 |
IMR 11-12 · LCM
2868 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BR LCM | 34.48 | 1100 |
| 50 FL LCM | 31.09 | 924 |
| 200 IM LCM | 2:39.29 | 844 |
| 200 FR LCM | — | 0 |
| 50 BK LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke LCM 1:16.50
Front half 35.75s · back half 40.75s
200 Breaststroke LCM 2:54.25
Front half 82.16s · back half 92.09s
200 Individual Medley LCM 2:39.29
Front half 74.52s · back half 84.77s
Progression
Faster times are higher. One card per event, all courses & history.