| date | competition | distance | rank |
|---|---|---|---|
| 2026-03-13 | ISU CNSG Short Track World Championships | 1500 m | 21 |
| 2026-03-13 | ISU CNSG Short Track World Championships | 500 m | 38 |
| 2026-03-13 | ISU CNSG Short Track World Championships | 1000 m | 52 |
| 2026-01-29 | ISU Short Track Junior World Championships | 1500 m | 11 |
| 2026-01-29 | ISU Short Track Junior World Championships | 500 m | 67 |
| 2026-01-29 | ISU Short Track Junior World Championships | 1000 m | 14 |
| 2025-11-27 | ISU Short Track World Tour #4 | 1500 m | 48 |
| 2025-11-27 | ISU Short Track World Tour #4 | 500 m | 37 |
| 2025-11-27 | ISU Short Track World Tour #4 | 1000 m | 39 |
| 2025-11-20 | ISU Short Track World Tour #3 | 1500 m | 91 |
| 2025-11-20 | ISU Short Track World Tour #3 | 500 m | 40 |
| 2025-11-20 | ISU Short Track World Tour #3 | 1000 m | 34 |
| 2025-11-13 | ISU Short Track Junior World Cup #2 | 1500 m | 20 |
| 2025-11-13 | ISU Short Track Junior World Cup #2 | 1000 m | 4 |
| 2025-10-16 | ISU Short Track World Tour #2 | 500 m | 61 |
| 2025-10-16 | ISU Short Track World Tour #2 | 500 m | 61 |
| 2025-10-16 | ISU Short Track World Tour #2 | 1500 m | 42 |
| 2025-10-16 | ISU Short Track World Tour #2 | 1500 m | 42 |
| 2025-10-16 | ISU Short Track World Tour #2 | 1000 m | 34 |
| 2025-10-16 | ISU Short Track World Tour #2 | 1000 m | 34 |
| 2025-10-09 | ISU Short Track World Tour #1 | 500 m | 48 |
| 2025-10-09 | ISU Short Track World Tour #1 | 1500 m | 40 |
| 2025-10-09 | ISU Short Track World Tour #1 | 1000 m | 41 |
| 2025-02-27 | ISU World Junior Short Track Speed Skating Championships | 1500 m | 26 |
| 2025-02-27 | ISU World Junior Short Track Speed Skating Championships | 500 m | 12 |
| 2025-02-27 | ISU World Junior Short Track Speed Skating Championships | 1000 m | |
| 2025-02-07 | ISU Short Track World Tour | 500 m | 35 |
| 2025-02-07 | ISU Short Track World Tour | 1000 m | 35 |
| 2025-02-07 | ISU Short Track World Tour | 1500 m | 45 |
| 2024-12-13 | ISU Short Track World Tour | 1500 m | 17 |
| 2024-12-13 | ISU Short Track World Tour | 500 m | 42 |
| 2024-12-13 | ISU Short Track World Tour | 1000 m | 26 |
| 2023-12-15 | ISU World Cup Short Track Speed Skating | 1000 m | 25 |
| 2023-12-15 | ISU World Cup Short Track Speed Skating | 500 m | 34 |
| 2023-10-27 | ISU World Cup Short Track Speed Skating | 500 m | 54 |
| 2023-10-27 | ISU World Cup Short Track Speed Skating | 1500 m | 52 |
| 2023-01-27 | ISU World Junior Short Track Speed Skating Championships | 1500 m | 26 |
| 2023-01-27 | ISU World Junior Short Track Speed Skating Championships | 500 m | 68 |
| 2023-01-27 | ISU World Junior Short Track Speed Skating Championships | 1000 m | |
| 2022-11-10 | ISU Four Continents Short Track Speed Skating Championships | 500 m | 23 |
| 2022-11-10 | ISU Four Continents Short Track Speed Skating Championships | 1500 m | 16 |
| 2022-11-10 | ISU Four Continents Short Track Speed Skating Championships | 1000 m | 23 |
| 2022-11-04 | ISU World Cup Short Track Speed Skating | 500 m | |
| 2022-11-04 | ISU World Cup Short Track Speed Skating | 1000 m | 41 |
This is the official classification the ISU publishes per distance: what Lucas Henry Koo entered and where they finished. The race-by-race record — heats, semi-finals, split times and video — is built on demand from the same database.
Short Track Stats · Brazil · every skater · statistics · competitions