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Eric Kupperstein's career best to date is 647.5 kg, set in 1992 at age 25. Their total grew 20 kg over 1.8 years between their first meet and that mark (~11.3 kg/year). 4.1-year gap in their competition record between 1985 and 1989.
Career-best meet: Men's Nationals · ADFPA
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 1990-09-01 | Men's Nationals | Single-ply | 240 | 137.5 | 250 | 627.5 | 483.64 |
| 1991-06-22 | Nationals | Single-ply | 240 | 137.5 | 260 | 637.5 | 491.35 |
| 1992-06-06 | Men's Nationals | Single-ply | 250 | 140 | 257.5 | 647.5 | 499.06 |
| 1994-07-16 | Men's Nationals | Single-ply | 197.5 | 117.5 | 235 | 550 | 464.22 |
| 1995-07-15 | Men's Nationals | Single-ply | 212.5 | 122.5 | 240 | 575 | 485.32 |
| 1998-04-05 | Senior Nationals | Single-ply | 222.26 | 122.47 | 231.33 | 576.0600000000001 | 486.22 |
| 2002-06-29 | National Raw Powerlifting Championships | Raw | 212.5 | 110 | 250 | 572.5 | 484.08 |
| 2004-01-25 | Mass State | Raw | 190 | 110 | 225 | 525 | 464.82 |
| 2005-05-06 | Men's Open Nationals | Single-ply | 185 | 105 | 240 | 530 | 474.38 |
| 2005-12-10 | 4th American Open Powerlifting Championships | Single-ply | 215 | 117.5 | 262.5 | 595 | 502.89 |
| 2006-05-05 | Masters Nationals | Single-ply | 205 | 120 | 257.5 | 582.5 | 493.69 |
| 2006-07-06 | Mens Nationals | Single-ply | 225 | 117.5 | 257.5 | 600 | 507.82 |
| 2006-10-02 | World Masters Powerlifting Championships | Single-ply | 212.5 | 117.5 | 250 | 580 | 492.25 |
| 2007-05-04 | Masters Nationals | Single-ply | 215 | 117.5 | 255 | 587.5 | 498.48 |
| 2007-06-10 | World Masters Powerlifting Championships | Single-ply | 225 | 125 | 257.5 | 607.5 | 514.17 |
| 2007-07-13 | Men's Nationals & Women's Open | Single-ply | 230 | 122.5 | 262.5 | 615 | 519.8 |
| 2008-03-01 | Quest Pro Invitational | Single-ply | 232.5 | 127.5 | 237.5 | 597.5 | 508.51 |
| 2008-05-02 | Masters Nationals | Single-ply | 235 | 132.5 | 252.5 | 620 | 525.47 |
| 2008-06-12 | Men's Open & Teen & Junior Nationals | Single-ply | 240 | 135 | — | — | — |
| 2008-09-30 | World Masters Powerlifting Championships | Single-ply | 235 | 132.5 | 250 | 617.5 | 521.2 |
| 2009-05-04 | Masters Nationals | Single-ply | 235 | 125 | 260 | 620 | 524.89 |
| 2009-07-24 | Raw Nationals | Raw | 195 | 110 | 262.5 | 567.5 | 478.99 |
| 2009-09-28 | World Masters Powerlifting Championships | Single-ply | 215 | 120 | 220 | 555 | 469.09 |
| 2009-12-12 | Massachusetts and Rhode Island Open State | Raw | 185 | 105 | 255 | 545 | 462.54 |
| 2010-03-05 | Con-Cret Raw Challenge | Raw | 197.5 | 107.5 | 255 | 560 | 475.28 |
| 2010-03-30 | World Masters Bench Press Championships | Single-ply | — | 125 | — | — | 105.8 |
| 2010-04-30 | Masters Nationals | Single-ply | 202.5 | 117.5 | 248 | 568 | 510 |
| 2010-09-27 | World Masters Powerlifting Championships | Single-ply | 202.5 | 122.5 | 248.5 | 573.5 | 513.88 |
| 2011-04-29 | Masters Nationals | Single-ply | 215 | 122.5 | 250 | 587.5 | 527.51 |
| 2011-06-10 | Men's Teen Junior Open Nationals | Single-ply | 220 | 122.5 | 240 | 582.5 | 523.85 |
| 2011-08-19 | Raw Nationals | Raw | 175 | 102.5 | 250 | 527.5 | 472.14 |
| 2011-09-26 | World Masters Powerlifting Championships | Single-ply | 220 | 132.5 | 245 | 597.5 | 514.9 |
| 2011-11-08 | World Powerlifting Championships | Single-ply | 232.5 | 127.5 | 245 | 605 | 521.66 |
| 2012-05-06 | Masters Nationals | Single-ply | 190 | 100 | 245 | 535 | 459.06 |
| 2012-06-12 | World Classic Powerlifting Cup | Raw | 187.5 | 100 | 252.5 | 540 | 465.15 |
| 2012-08-03 | Raw Nationals | Raw | 172.5 | 100 | 250.5 | 523 | 468.85 |
| 2012-10-02 | World Masters Powerlifting Championships | Single-ply | 230 | 127.5 | 255 | 612.5 | 524.52 |
| 2013-03-02 | Pro American | Single-ply | 225 | 117.5 | 245 | 587.5 | 506.43 |
| 2013-05-04 | Masters Nationals | Single-ply | 207.5 | 127.5 | 220 | 555 | 477.04 |
| 2013-06-11 | World Classic Powerlifting Championships | Raw | 192.5 | 100 | 230 | 522.5 | 448.78 |
| 2013-07-19 | Raw Nationals | Raw | 185 | 105 | 255 | 545 | 469.12 |
| 2013-09-24 | World Masters Powerlifting Championships | Single-ply | 205 | 130 | 220 | 555 | 476.7 |
| 2014-06-01 | World Classic Powerlifting Championships | Raw | 172.5 | 75 | 235 | 482.5 | 415.62 |
| 2014-07-17 | Raw Nationals | Raw | 187.5 | 77.5 | 225 | 490 | 420.57 |
| 2015-05-15 | Men's and Women's Nationals | Single-ply | 240 | 102.5 | 227.5 | 570 | 489.23 |
| 2015-09-28 | World Masters Powerlifting Championships | Single-ply | 250.5 | 105 | 240 | 595.5 | 511.7 |
| 2015-10-15 | Raw Nationals | Raw | 175 | 87.5 | 237.5 | 500 | 428.54 |
| 2015-12-04 | American Open | Raw | 188 | 85 | 251 | 524 | 448.48 |
| 2016-03-05 | Arnolds StartingStrength.com Pro Raw Challenge | Raw | 155 | 80 | 235 | 470 | 405.02 |
| 2016-05-20 | Open Nationals | Single-ply | 237.5 | 105 | 222.5 | 565 | 486.33 |
| 2016-06-19 | World Classic Powerlifting Championships | Raw | 190 | 85 | 235.5 | 510.5 | 439.04 |
| 2016-10-13 | Raw Nationals | Raw | 192.5 | 90 | 252.5 | 535 | 459.85 |
| 2017-05-19 | 35th Annual Open National Championship | Single-ply | 253 | 105 | 252.5 | 610.5 | 524.97 |
| 2017-07-08 | 5 Bar Showdown | Raw | 185 | 75 | 245 | 505 | 433.44 |
| 2017-10-01 | World Masters Powerlifting Championships | Single-ply | 231 | 95 | 245 | 571 | 490.09 |
| 2017-11-13 | World Powerlifting Championships | Single-ply | 232.5 | 95 | 245 | 572.5 | 491.66 |
| 2018-05-18 | Open Nationals | Single-ply | 225 | 72.5 | 245 | 542.5 | 468.99 |
| 2018-10-11 | Raw Nationals | Raw | 190 | 72.5 | 225 | 487.5 | 420.83 |
| 2019-03-03 | Arnold Pro Deadlift | Single-ply | — | — | 245 | — | 217.86 |
| 2019-05-10 | Open Nationals | Single-ply | 240 | 90 | 235 | 565 | 485.43 |
| 2019-06-04 | World Classic Powerlifting Championships | Raw | 175 | 70 | — | — | — |
| 2019-11-18 | World Powerlifting Championships | Single-ply | 237.5 | 87.5 | 232.5 | 557.5 | 481.54 |
| 2020-01-11 | Central Mass Open | Raw | 185 | 75 | 215 | 475 | 410.04 |
| 2020-12-12 | MA and RI State Championships | Single-ply | 256.5 | 85 | 245 | 586.5 | 511.51 |
| 2021-06-14 | Equipped Master's Nationals | Single-ply | 232.5 | 80 | 220 | 532.5 | 462.09 |
| 2021-06-14 | Raw Master's Nationals | Raw | 172.5 | 70 | 217.5 | 460 | 402.37 |
| 2022-04-01 | Classic Open Nationals Presented by SBD | Raw | 160 | 65 | 225 | 450 | 391.53 |
| 2022-06-18 | Nationals | Single-ply | 235 | 70 | 235 | 540 | 468.6 |
| 2022-11-14 | World Open Equipped Powerlifting Championships | Single-ply | 215 | 65 | 225 | 505 | 439.39 |
| 2023-06-04 | Equipped Nationals | Single-ply | 195 | 75 | 215 | 485 | 418.67 |
| 2023-11-13 | World Open Equipped Powerlifting Championships | Single-ply | 195 | 50 | 200 | 445 | 384.14 |
| 2024-05-17 | Classic Age Division National Championships | Raw | 115 | 50 | 145 | 310 | 267.22 |
| 2024-05-19 | Equipped National Championships | Single-ply | 205 | 55 | 215 | 475 | 412.13 |
| 2024-10-05 | World Classic & Equipped Masters Powerlifting Championships | Raw | 155 | 60 | 192.5 | 407.5 | 352.03 |
| 2025-10-26 | Scary Strong 4 | Raw | 175 | 60 | 230 | 465 | 399.68 |
| 2026-03-05 | Open Nationals | Single-ply | 225 | 60 | 225 | 510 | 449.21 |
vs Single-ply · 59 kg class · masters-2 · USA · drug-tested + not tested
vs Single-ply · 59 kg class · masters-2 · drug-tested + not tested
vs Single-ply · 67.5 kg class · open · drug-tested