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Koichi Oka's career best to date is 502.5 kg, set in 2025 at age 52. Their total grew 22.5 kg over 2.0 years between their first meet and that mark (~11.2 kg/year). Career variance was 61% squat-driven.
Career-best meet: 30th Japan Classic Masters Powerlifting Championships · JPA
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2023-07-16 | 28th Japan Classic Masters Powerlifting Championships | Raw | 165 | 107.5 | 207.5 | 480 | 353.04 |
| 2023-10-28 | 2nd Japan Grand Prix | Raw | 172.5 | 105 | 197.5 | 475 | 346.97 |
| 2025-07-19 | 30th Japan Classic Masters Powerlifting Championships | Raw | 180 | 115 | 207.5 | 502.5 | 365.9 |
vs Raw · 74 kg class · masters-2 · Japan · drug-tested
vs Raw · 74 kg class · masters-2 · drug-tested