Ryu Ishibashi
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 15.09 | 2025-02-02 | Polar Plunge venue | |
| 50 Freestyle | SCY | 29.46 | AA+0.67s to AAA | 2026-03-14 | 2026 SCY 10 & Under Championship Meet venue |
| 100 Freestyle | SCY | 1:01.44 | AAA+0.35s to AAAA | 2026-02-06 | 2026 Michigan Open |
| 200 Freestyle | SCY | 2:43.43 | BB+11.74s to A | 2025-02-21 | 2025 MCSA Junior Cup fast pool |
| 500 Freestyle | SCY | 7:00.64 | BB+17.05s to A | 2025-12-12 | OLY Swimming Holiday Bowl venue |
| 25 Backstroke | SCY | 18.36 | 2025-02-01 | Polar Plunge venue | |
| 50 Backstroke | SCY | 39.79 | BB+2.00s to A | 2025-12-13 | OLY Swimming Holiday Bowl venue |
| 100 Backstroke | SCY | 1:24.88 | BB+4.99s to A | 2026-01-11 | 2026 PA Invite venue |
| 25 Breaststroke | SCY | 20.96 | 2025-02-02 | Polar Plunge venue | |
| 50 Breaststroke | SCY | 41.73 | A+1.54s to AA | 2026-03-01 | 2026 MCSA Junior Cup fast pool |
| 100 Breaststroke | SCY | 1:31.65 | A+3.96s to AA | 2026-02-28 | 2026 MCSA Junior Cup fast pool |
| 200 Breaststroke | SCY | 2:58.68 | 2025-02-21 | 2025 MCSA Junior Cup | |
| 25 Butterfly | SCY | 15.87 | 2025-02-01 | Polar Plunge venue | |
| 50 Butterfly | SCY | 34.60 | A+0.31s to AA | 2026-03-15 | 2026 SCY 10 & Under Championship Meet venue |
| 100 Individual Medley | SCY | 1:18.90 | A+2.41s to AA | 2024-10-18 | 2024 OLY Fall Classic |
| 200 Individual Medley | SCY | 2:55.96 | BB+2.47s to A | 2026-03-14 | 2026 SCY 10 & Under Championship Meet venue |
| 50 Freestyle | LCM | 34.40 | A+0.01s to AA | 2026-06-21 | DRD Freeze or Fry 2026 venue |
| 100 Freestyle | LCM | 1:22.97 | BB+2.78s to A | 2025-06-28 | 2025 OLY Summer Classic venue |
| 200 Freestyle | LCM | 3:10.62 | BB+16.93s to A | 2025-06-29 | 2025 OLY Summer Classic venue |
| 50 Backstroke | LCM | 48.38 | BB+5.29s to A | 2025-06-28 | 2025 OLY Summer Classic venue |
| 100 Backstroke | LCM | 1:41.24 | BB+8.95s to A | 2026-06-14 | 2026 OLY Summer Classic venue |
| 50 Breaststroke | LCM | 41.93 | AAA+0.44s to AAAA | 2025-06-27 | 2025 OLY Summer Classic |
| 100 Breaststroke | LCM | 1:47.65 | BB+2.06s to A | 2026-06-21 | DRD Freeze or Fry 2026 venue |
| 50 Butterfly | LCM | 44.64 | BB+4.05s to A | 2026-06-21 | DRD Freeze or Fry 2026 venue |
| 100 Butterfly | LCM | 1:58.39 | B+5.50s to BB | 2024-07-12 | 2024 Grizzly Summer Sizzler |
| 200 Individual Medley | LCM | 2:54.99 | AAA+2.50s to AAAA | 2025-07-11 | 2025 Grizzly Summer Sizzler |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 31.25 | flying | 200 Medley Relay (leg 4) | 2025-03-02 | 2025 10 & Under Championship Meet |
| 50 Freestyle | SCY | 29.84 | flying | 200 Free Relay (leg 4) | 2026-03-15 | 2026 SCY 10 & Under Championship Meet |
| 50 Butterfly | SCY | 35.00 | flying | 200 Medley Relay (leg 3) | 2026-03-14 | 2026 SCY 10 & Under Championship 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 10 & under · LCM
2868 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:10.62 | 503 |
| 100 BK LCM | 1:41.24 | 493 |
| 100 BR LCM | 1:47.65 | 617 |
| 100 FL LCM | 1:58.39 | 303 |
| 200 IM LCM | 2:54.99 | 952 |
IMR 10 & under · SCY
3551 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:01.44 | 963 |
| 50 BK SCY | 39.79 | 529 |
| 50 BR SCY | 41.73 | 663 |
| 50 FL SCY | 34.60 | 704 |
| 100 IM SCY | 1:18.90 | 692 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:43.43
Front half 80.06s · back half 83.37s
500 Freestyle SCY 7:00.64
100 Backstroke SCY 1:24.88
Front half 40.37s · back half 44.51s
100 Breaststroke SCY 1:31.65
Front half 43.77s · back half 47.88s
200 Individual Medley SCY 2:55.96
Front half 86.50s · back half 89.46s
100 Freestyle LCM 1:22.97
Front half 38.67s · back half 44.30s
200 Freestyle LCM 3:10.62
Front half 92.77s · back half 97.85s
100 Backstroke LCM 1:41.24
Front half 49.40s · back half 51.84s
Progression
Faster times are higher. One card per event, all courses & history.