Riku Nakajima
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.79 | B+1.40s to BB | 2026-02-01 | BCA Winter Heats venue |
| 100 Freestyle | SCY | 1:01.55 | B+3.66s to BB | 2025-09-20 | 2025 TSM Aquatics Season Opener venue |
| 200 Freestyle | SCY | 2:16.40 | +0.11s to B | 2025-11-16 | BCA Fall Festival venue |
| 50 Backstroke | SCY | 32.87 | +1.08s to B | 2026-02-28 | 2026 Pacific Committee SC Chmpionship venue |
| 50 Breaststroke | SCY | 33.33 | BB+1.84s to A | 2026-03-01 | 2026 Pacific Committee SC Chmpionship venue |
| 100 Breaststroke | SCY | 1:16.91 | B+5.42s to BB | 2025-11-16 | BCA Fall Festival venue |
| 50 Butterfly | SCY | 30.34 | B+0.85s to BB | 2026-02-27 | 2026 Pacific Committee SC Chmpionship venue |
| 100 Butterfly | SCY | 1:10.40 | +3.11s to B | 2026-01-31 | BCA Winter Heats venue |
| 100 Individual Medley | SCY | 1:12.69 | 2025-09-14 | BCA Fall Intersquad venue | |
| 50 Freestyle | LCM | 32.61 | B+2.02s to BB | 2026-03-28 | 2026 SGAC March LC Meet venue |
| 100 Freestyle | LCM | 1:13.03 | +1.14s to B | 2025-05-31 | CITI Summer Sizzler venue |
| 200 Freestyle | LCM | 2:46.00 | +8.71s to B | 2026-04-12 | Royal Swim Team LCM April Swim Craft slow pool |
| 50 Backstroke | LCM | 38.94 | +1.05s to B | 2026-04-12 | Royal Swim Team LCM April Swim Craft slow pool |
| 200 Backstroke | LCM | 3:10.81 | +18.52s to B | 2026-05-17 | 2026 SGAC May LC Meet venue |
| 50 Breaststroke | LCM | 38.99 | B+0.10s to BB | 2026-03-28 | 2026 SGAC March LC Meet venue |
| 100 Breaststroke | LCM | 1:28.29 | B+4.80s to BB | 2026-06-06 | 2026 BCA June LC Meet venue |
| 200 Breaststroke | LCM | 3:18.15 | +2.76s to B | 2026-05-17 | 2026 SGAC May LC Meet venue |
| 100 Butterfly | LCM | 1:20.30 | +3.31s to B | 2026-03-28 | 2026 SGAC March LC Meet venue |
| 200 Individual Medley | LCM | 3:02.39 | +5.90s to B | 2026-05-17 | 2026 SGAC May LC Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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.
IMX / IMR
IMX 15-16 · LCM
1088 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 3:10.81 | 310 |
| 200 BR LCM | 3:18.15 | 399 |
| 200 IM LCM | 3:02.39 | 379 |
| 400 FR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · LCM
1539 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:46.00 | 354 |
| 100 BR LCM | 1:28.29 | 438 |
| 100 FL LCM | 1:20.30 | 368 |
| 200 IM LCM | 3:02.39 | 379 |
| 100 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 Freestyle SCY 1:01.55
Front half 29.74s · back half 31.81s
200 Freestyle SCY 2:16.40
Front half 66.21s · back half 70.19s
100 Breaststroke SCY 1:16.91
Front half 37.56s · back half 39.35s
100 Butterfly SCY 1:10.40
Front half 31.85s · back half 38.55s
100 Individual Medley SCY 1:12.69
Front half 35.32s · back half 37.37s
200 Freestyle LCM 2:46.00
Front half 79.17s · back half 86.83s
200 Backstroke LCM 3:10.81
Front half 94.49s · back half 96.32s
200 Breaststroke LCM 3:18.15
Front half 98.09s · back half 100.06s
200 Individual Medley LCM 3:02.39
Front half 91.22s · back half 91.17s
Progression
Faster times are higher. One card per event, all courses & history.