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Ong Wei Chaai's career best to date is 668.5 kg, set in 2026 at age 31. Their total grew 68.5 kg over 4.3 years between their first meet and that mark (~15.9 kg/year). Career variance was 97% deadlift-driven.
Career-best meet: Powerlifting Singapore National Championship 26 · PS
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2021-10-20 | Singapore Powerlifting Open | Raw | 216 | 117.5 | 266.5 | 600 | 470.12 |
| 2022-09-16 | South East Asian Cup | Raw | 230 | 120 | 265 | 615 | 483.5 |
| 2022-12-02 | Asian Classic Powerlifting Championships | Raw | 227.5 | 122.5 | 280 | 630 | 496.82 |
| 2023-06-24 | Asian/Pacific/African Classic & Equipped Powerlifting Championships | Raw | 227.5 | 132.5 | 275 | 635 | 500.19 |
| 2023-08-12 | Open Nationals | Raw | 232.5 | 132.5 | 280.5 | 645.5 | 507.19 |
| 2024-11-02 | Pure Powerlifting Open | Raw | 220 | 127.5 | 285 | 632.5 | 491.47 |
| 2025-01-24 | Reformd Open 3.0 | Raw | 225 | 127.5 | 300 | 652.5 | 513.57 |
| 2025-02-21 | Singapore National Championships 25 | Raw | 230 | 130 | 260 | 620 | 489.94 |
| 2025-12-02 | Asian Masters & Open Powerlifting Championships | Raw | 230 | 125 | 287.5 | 642.5 | 506.85 |
| 2026-02-13 | Powerlifting Singapore National Championship 26 | Raw | 230 | 132.5 | 306 | 668.5 | 524.38 |
vs Raw · 66 kg class · open · Singapore · drug-tested
vs Raw · 66 kg class · open · drug-tested