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Isa Boonstra's career best to date is 410 kg, set in 2024 at age 22. Their total grew 65 kg over 0.9 years between their first meet and that mark (~69.2 kg/year). Career variance was 53% deadlift-driven.
Career-best meet: Junioren NK Powerliften · KNKF-SP
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2023-06-03 | Northside Barbell Summer Cup | Raw | 117.5 | 75 | 152.5 | 345 | 347.61 |
| 2023-06-10 | GNSK Powerliften | Raw | 112.5 | 72.5 | 140 | 325 | 325.87 |
| 2023-11-18 | NSK Powerliften | Raw | 142.5 | 87.5 | 175 | 405 | 401.28 |
| 2024-05-11 | Junioren NK Powerliften | Raw | 147.5 | 92.5 | 170 | 410 | 405.14 |
| 2024-07-23 | FISU World University Powerlifting Championships | Raw | 135 | 87.5 | 165 | 387.5 | 391.33 |
| 2026-02-28 | Northside Barbell Cup | Raw | 117.5 | 77.5 | 130 | 325 | 334.59 |
vs Raw · 69 kg class · open · Netherlands · drug-tested
vs Raw · 69 kg class · open · drug-tested
vs Raw · 76 kg class · junior · drug-tested