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Justin Chamberlain's career best to date is 782.5 kg, set in 2021 at age 40. Their total grew 120 kg over 4.8 years between their first meet and that mark (~25.2 kg/year). 3.0-year gap in their competition record between 2018 and 2021. Career variance was 54% deadlift-driven.
Career-best meet: Fall Classic · WPCCP
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2017-01-28 | Winter Power Challenge | Raw | 230 | 170 | 262.5 | 662.5 | 410.67 |
| 2018-04-28 | Iron Gladiators Full Power Battle | Wraps | 255 | 192.5 | 295 | 742.5 | 445.94 |
| 2018-11-03 | Full Power Fall Classic | Wraps | 260 | 195 | 297.5 | 752.5 | 465.83 |
| 2021-11-01 | Fall Classic | Wraps | 272.5 | 192.5 | 317.5 | 782.5 | 473.65 |
| 2023-01-28 | Blood Bath | Raw | — | 185 | 287.5 | — | 280.62 |
| 2025-10-25 | Creature Clash | Raw | — | 192.5 | 285 | — | 282.42 |
| 2026-01-17 | OHIO PUSH/PULL | Raw | — | 170.1 | 294.84 | — | 290.15 |
vs Raw · 100 kg class · masters-1 · USA · drug-tested + not tested
vs Raw · 100 kg class · masters-1 · drug-tested + not tested
vs Raw · 100 kg class · open · drug-tested + not tested
vs Wraps · 100 kg class · masters-1 · drug-test status unknown