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Wataru Kobayakawa's career best to date is 837.5 kg, set in 2017 at age 41. Their total grew 72.5 kg over 17.3 years between their first meet and that mark (~4.2 kg/year). 3.7-year gap in their competition record between 2019 and 2023. Career variance was 92% deadlift-driven.
Career-best meet: World Powerlifting Championships · IPF
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2000-08-11 | Japanese Men's Nationals | Single-ply | 305 | 187.5 | 272.5 | 765 | 520 |
| 2004-07-16 | Japanese Powerlifting Championships | Single-ply | 307.5 | 220 | 280 | 807.5 | 534.78 |
| 2004-11-09 | Men's World Powerlifting Championships | Single-ply | 300 | 210 | — | — | — |
| 2007-10-14 | World Powerlifting Championships | Single-ply | 310 | 202.5 | 285 | 797.5 | 544 |
| 2008-10-30 | World Powerlifting Championships | Single-ply | 317.5 | 207.5 | 290 | 815 | 554.3 |
| 2009-11-02 | World Powerlifting Championships | Single-ply | 300 | 200 | 280 | 780 | 532.81 |
| 2011-11-08 | World Powerlifting Championships | Single-ply | 292.5 | 210 | 277.5 | 780 | 528.22 |
| 2013-05-31 | Japanese Powerlifting Championships | Single-ply | 310 | 215 | 280 | 805 | 544.55 |
| 2014-06-21 | Japanese Powerlifting Championships | Single-ply | 312.5 | 212.5 | 282.5 | 807.5 | 547.67 |
| 2014-11-03 | World Powerlifting Championships | Single-ply | 305 | — | 290 | — | — |
| 2015-06-27 | Japanese Powerlifting Championships | Single-ply | 295 | 207.5 | 290 | 792.5 | 536.1 |
| 2015-11-09 | World Powerlifting Championships | Single-ply | 322.5 | 207.5 | 290 | 820 | 556.61 |
| 2016-05-27 | Japanese Powerlifting Championships | Single-ply | 305 | 222.5 | 285 | 812.5 | 550 |
| 2016-11-14 | World Open Championships | Single-ply | 310 | 217.5 | 125 | 652.5 | 442.55 |
| 2017-07-15 | Japanese Powerlifting Championships | Single-ply | 325.5 | 210 | 287.5 | 823 | 555.6 |
| 2017-11-13 | World Powerlifting Championships | Single-ply | 327.5 | 220 | 290 | 837.5 | 566.66 |
| 2018-06-16 | Japanese Powerlifting Championships | Single-ply | 325 | 215 | 282.5 | 822.5 | 556.01 |
| 2019-04-27 | Japanese Powerlifting Championships | Single-ply | 315 | 200 | 285 | 800 | 542.1 |
| 2019-11-18 | World Powerlifting Championships | Single-ply | 310 | 200 | 280 | 790 | 537.26 |
| 2023-07-16 | 28th Japan Classic Masters Powerlifting Championships | Raw | 258 | 140 | 260 | 658 | 447.11 |
| 2023-10-08 | World Masters Classic & Equipped Powerlifting Championships | Raw | 237.5 | 140 | 265 | 642.5 | 435.52 |
| 2023-11-13 | World Open Equipped Powerlifting Championships | Single-ply | 310 | 215 | 285 | 810 | 551.55 |
| 2024-11-11 | World Open Equipped Powerlifting Championships | Single-ply | 317.5 | 212.5 | 292.5 | 822.5 | 555.82 |
| 2025-07-06 | Asian/Pacific/African Classic & Equipped Championships | Single-ply | 320 | 210 | 282.5 | 812.5 | 557 |
vs Single-ply · 83 kg class · masters-1 · Japan · drug-tested
vs Single-ply · 83 kg class · masters-1 · drug-tested
vs Single-ply · 83 kg class · open · drug-tested