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Lassi Mäntyniemi's career best to date is 667.5 kg, set in 2025 at age 16. Their total grew 220 kg over 1.3 years between their first meet and that mark (~171.7 kg/year). Career variance was 58% deadlift-driven.
Career-best meet: European Juniors and Sub-Juniors Classic Championships · EPF
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2024-08-17 | Jäsentenvälinen voimanosto | Single-ply | 162.5 | 120 | 165 | 447.5 | 298.15 |
| 2025-04-26 | Kansallinen voimanostokisa | Raw | 227.5 | 135 | 265 | 627.5 | 401.77 |
| 2025-08-03 | Jäsentenvälinen voimanostokilpailu | Raw | 220 | 140 | 250 | 610 | 380.51 |
| 2025-09-12 | Nordic Junior & Sub-Junior Championships | Raw | 247.5 | 152.5 | 265 | 665 | 411.74 |
| 2025-11-28 | European Juniors and Sub-Juniors Classic Championships | Raw | 247.5 | 152.5 | 267.5 | 667.5 | 405.34 |
vs Raw · 105 kg class · sub-junior · Finland · drug-tested
vs Raw · 105 kg class · sub-junior · drug-tested