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Joseph Chamberlain's career best to date is 750 kg, set in 2026, 25.3 years after their first recorded meet. Their total grew 160 kg over 2.8 years between their first meet and that mark (~57.6 kg/year). 22.5-year gap in their competition record between 2000 and 2023. Career variance was 74% bench-driven.
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2023-06-03 | Iron Valley Just Lift It | Raw | 210 | 150 | 230 | 590 | 356.09 |
| 2023-07-20 | Central Canadian Championship | Raw | 222.5 | 157.5 | 232.5 | 612.5 | 369.47 |
| 2023-09-15 | OPA Masters and Open Provincial Powerlifting Championship | Raw | 232.5 | 150 | 250 | 632.5 | 382.31 |
| 2024-03-10 | Western Canadian Championships | Raw | 237.5 | 162.5 | 242.5 | 642.5 | 387.8 |
| 2024-08-04 | 21st Annual North American Powerlifting Championships | Raw | 237.5 | 167.5 | 242.5 | 647.5 | 390.5 |
| 2024-10-04 | Commonwealth Championships | Raw | 240 | 147.5 | 220 | 607.5 | 367.02 |
| 2024-10-05 | World Classic & Equipped Masters Powerlifting Championships | Raw | 240 | 147.5 | 220 | 607.5 | 367.02 |
| 2025-03-01 | Nationals | Raw | 232.5 | 160 | 240 | 632.5 | 381.56 |
| 2025-07-12 | Trinity Barbell Dog Dayz | Single-ply | 257.5 | 210 | 255 | 722.5 | 418.94 |
| 2025-10-17 | OPA Open & Masters Provincial Championship | Raw | 270 | 180 | 265 | 715 | 412.33 |
| 2026-03-14 | Nationals | Single-ply | 250 | 240 | 260 | 750 | 431.19 |
vs Single-ply · 120 kg class · any age · Canada · drug-tested
vs Single-ply · 120 kg class · any age · drug-tested