
TRC Global Rankings are a principled hierarchy of the leading Horses, Sires, Jockeys, Owners and Trainers in the world using statistical learning techniques and TRC Computer Race Ratings. Updated every week, they are based entirely on the quality of performance of each individual's runners. See how the TRC Global Rankings work.
See who’s been making an impact with this week’s Winners and Climbers
Read the latest Rankings Insight
None Koji Oka
Ranked Koji Oka Results – last three years
| Date | Horse Name | Position | Race Name |
|---|---|---|---|
| 2023-04-15 | Obamburumai JPN | 1 | Arlington Cup |
| 2023-11-04 | Obamburumai JPN | 1 | The Golden Eagle |
| 2024-08-25 | Obamburumai JPN | 3 | Keeneland Cup |
| 2024-12-08 | Chikappa JPN | 6 | Capella Stakes |
| 2023-05-07 | Obamburumai JPN | 3 | NHK Mile Cup |
| 2024-11-17 | Obamburumai JPN | 12 | Mile Championship |
| 2025-09-07 | Chikappa JPN | 2 | Korea Sprint |
| 2024-01-21 | Kirinji JPN | 8 | Tokai TV Hai Tokai Stakes |
| 2024-02-18 | Chikappa JPN | 5 | Hyacinth Stakes |
| 2024-09-29 | Obamburumai JPN | 11 | Sprinters Stakes |
| 2024-04-06 | Obamburumai JPN | 13 | The Star Doncaster Mile |
| 2024-09-08 | Anegohada JPN | 4 | Sankei Sho Centaur Stakes |
| 2025-12-14 | Chikappa JPN | 8 | Capella Stakes |
| 2022-12-25 | Akai Ito JPN | 15 | Arima Kinen |
| 2024-03-24 | Kirinji JPN | 11 | March Stakes |
| 2025-11-08 | Towani JPN | 3 | Keio Hai Nisai Stakes |
| 2025-09-14 | Ai Sansan JPN | 12 | Kansai Television Co Ltd Sho Rose Stakes |
| 2024-04-28 | Obamburumai JPN | 10 | FWD Champions Mile |
| 2023-09-30 | Kirinji JPN | 12 | The Sirius Stakes |
| 2025-02-22 | Obamburumai JPN | 10 | Hankyu Hai |


