swimEthan Koo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 18.78 | 2025-12-19 | Gulf Fall Championships | |
| 50 Freestyle | SCY | 42.17 | +19.88s to Sectionals | 2026-01-17 | 2026 LSST January Frosty Meet |
| 25 Backstroke | SCY | 26.91 | 2025-01-01 | Central Swim Houston | |
| 50 Backstroke | SCY | 1:01.42 | +35.73s to Sectionals | 2025-10-25 | 2025 LSST October Open Meet |
| 25 Breaststroke | SCY | 1:02.49 | 2025-12-19 | Gulf Fall Championships | |
| 50 Breaststroke | SCY | 1:04.66 | +35.17s to Sectionals | 2026-01-17 | 2026 LSST January Frosty Meet |
| 25 Butterfly | SCY | 29.93 | 2026-01-17 | 2026 LSST January Frosty Meet | |
| 50 Butterfly | SCY | 1:00.42 | +36.13s to Sectionals | 2025-12-19 | Gulf Fall Championships |
| 50 Freestyle | LCM | 42.48 | +16.89s to Sectionals | 2026-05-29 | Nelms Summer Scorcher Invitational |
| 50 Backstroke | LCM | 57.47 | +27.28s to Sectionals | 2026-05-29 | Nelms Summer Scorcher Invitational |
| 100 Breaststroke | LCM | 2:30.18 | +77.79s to Sectionals | 2026-06-26 | 2026 BATS June Invite |
| 50 Butterfly | LCM | 1:05.15 | +37.36s to Sectionals | 2026-04-11 | 2026 TEST Spring Splash |
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.
IMX / IMR
IMX 10 & under · LCM
227 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR LCM | 2:30.18 | 227 |
| 200 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 10 & under · SCY
453 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 1:01.42 | 143 |
| 50 BR SCY | 1:04.66 | 178 |
| 50 FL SCY | 1:00.42 | 132 |
| 100 FR SCY | — | 0 |
| 100 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
Progression
Faster times are higher. One card per event, all courses & history.