swimRyan Koh
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.53 | BB+0.34s to A·+8.34s to Sectionals | 2026-03-21 | SCY Spring Age Group Championshipsvenue |
| 100 Freestyle | SCY | 1:09.08 | A+1.89s to AA·+18.09s to Sectionals | 2026-03-22 | SCY Spring Age Group Championshipsvenue |
| 50 Backstroke | SCY | 37.79 | A+1.80s to AA·+14.10s to Futures | 2026-03-22 | SCY Spring Age Group Championshipsvenue |
| 100 Backstroke | SCY | 1:23.73 | BB+3.84s to A·+28.24s to Sectionals | 2026-02-14 | 2026 Neptune Swimming Invitationalvenue |
| 50 Breaststroke | SCY | 44.29 | BB+2.20s to A·+18.00s to Futures | 2026-01-17 | 2026 Brian Malick Memorial Z1S Championshipsvenue |
| 50 Butterfly | SCY | 39.91 | BB+3.82s to A·+17.02s to Futures | 2026-01-17 | 2026 Brian Malick Memorial Z1S Championshipsvenue |
| 100 Butterfly | SCY | 1:33.61 | BB+9.02s to A·+38.42s to Sectionals | 2025-12-13 | 2025 CA SCS/SCAT WAGvenue |
| 100 Individual Medley | SCY | 1:24.72 | BB+4.83s to A | 2026-02-21 | Pacific Swimming 10&U SCY Championshipvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 Freestyle | SCY | 33.32 | flying | 200 Free Relay (leg 3) | 2026-03-22 | SCY Spring Age Group Championships |
| 50 Freestyle | SCY | 31.22 | flying | 200 Medley Relay (leg 4) | 2026-03-21 | SCY Spring Age Group Championships |
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 · SCY
973 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:23.73 | 559 |
| 100 FL SCY | 1:33.61 | 414 |
| 200 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
2868 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:09.08 | 678 |
| 50 BK SCY | 37.79 | 618 |
| 50 BR SCY | 44.29 | 554 |
| 50 FL SCY | 39.91 | 459 |
| 100 IM SCY | 1:24.72 | 559 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:09.08
Front half 32.95s · back half 36.13s
100 Backstroke SCY 1:23.73
Front half 40.86s · back half 42.87s
100 Butterfly SCY 1:33.61
Front half 43.04s · back half 50.57s
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.