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Kozo Ishigaki's career best to date is 635 kg, set in 2023 at age 48. Their total grew 37.5 kg over 2.0 years between their first meet and that mark (~18.9 kg/year). Career variance was 96% deadlift-driven.
Career-best meet: 28th Japan Classic Masters Powerlifting Championships · JPA
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2021-07-23 | 26th Japan Classic Masters Powerlifting Championships | Raw | 222.5 | 155 | 220 | 597.5 | 380.95 |
| 2022-07-16 | 27th Japan Classic Masters Powerlifting Championships | Raw | 230 | 160 | 230 | 620 | 386.53 |
| 2023-07-16 | 28th Japan Classic Masters Powerlifting Championships | Raw | 235 | 165 | 235 | 635 | 389.85 |
| 2024-07-13 | 29th Japan Classic Masters Powerlifting Championships | Raw | 230 | 160 | 215 | 605 | 367.02 |
| 2024-12-02 | Asian Classic Powerlifting Championships | Raw | 240 | 162.5 | 232.5 | 635 | 385.99 |
| 2025-07-19 | 30th Japan Classic Masters Powerlifting Championships | Raw | 230 | 165 | 210 | 605 | 362.08 |
| 2025-12-02 | Asian Masters & Open Powerlifting Championships | Raw | 232.5 | 157.5 | 200 | 590 | 358.56 |
vs Raw · 105 kg class · masters-2 · Japan · drug-tested
vs Raw · 105 kg class · masters-2 · drug-tested
vs Raw · 105 kg class · masters-1 · drug-tested