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Mary Giffin's career best to date is 420 kg, set in 2006 at age 34. Their total grew 15 kg over 4.3 years between their first meet and that mark (~3.5 kg/year). 3.9-year gap in their competition record between 2007 and 2011. Career variance was 51% deadlift-driven.
Career-best meet: Australian Juniors & Masters Championships · PA
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2002-01-01 | Victorian Extravaganza | Single-ply | 150 | 85 | 170 | 405 | 418.84 |
| 2002-07-27 | Australian Powerlifting Championships | Single-ply | 145 | 82.5 | 167.5 | 395 | 410.91 |
| 2005-05-26 | Women's World Powerlifting Championships | Single-ply | 147.5 | 90 | 162.5 | 400 | 444.12 |
| 2005-07-30 | Australian Powerlifting & Bench Press Championships | Single-ply | 155 | 90 | 167.5 | 412.5 | 458 |
| 2006-04-09 | Australian Juniors & Masters Championships | Single-ply | 155 | 102.5 | 162.5 | 420 | 434.35 |
| 2006-07-28 | National Championships & Queensland Invitational | Single-ply | 147.5 | 90.5 | 155 | 393 | 436.12 |
| 2007-04-28 | National Juniors and Masters and NSW Open and Blind Championships | Single-ply | 145 | 92.5 | 145 | 382.5 | 424.91 |
| 2011-03-27 | Melbourne Powerlifting and Bench Press Open | Single-ply | 142.5 | 90 | 145 | 377.5 | 408.31 |
| 2011-07-20 | Australian Powerlifting and Bench Press Championships and Pacific Invitational | Single-ply | 150 | 95 | 150 | 395 | 427.07 |
| 2013-02-17 | Melbourne Summer Bash | Raw | — | 72.5 | — | — | 78.39 |
| 2013-05-26 | Hawk Challenge | Raw | — | 75 | — | — | 80.7 |
| 2013-10-12 | Australian Masters Games | Raw | 118 | 75.5 | 130 | 323.5 | 349.11 |
| 2014-02-16 | Melbourne Summer Bash | Raw | 125 | 80 | 140 | 345 | 360.87 |
| 2014-04-04 | Australian Raw Powerlifting Championships | Raw | 130 | 82.5 | 142.5 | 355 | 384.05 |
| 2014-08-22 | Australian Raw Sub-Junior Junior Masters Powerlifting and BP Champinoships | Raw | 137.5 | 80 | 155.5 | 373 | 403.32 |
| 2014-12-08 | Asia & Oceania Championships | Raw | 142.5 | 80.5 | 155 | 378 | 410.34 |
| 2015-04-10 | Australian Raw Powerlifting Championships | Raw | 147.5 | 82.5 | 157.5 | 387.5 | 418.59 |
| 2015-06-05 | World Classic Powerlifting Championships | Raw | 150 | 82.5 | 160 | 392.5 | 426.85 |
| 2015-08-14 | Australian Junior Master Bench and Blind Championships | Raw | 142.5 | 83.5 | 160 | 386 | 415.95 |
| 2016-08-05 | Australian Juniors-Masters Championships | Raw | 147.5 | 80 | 150 | 377.5 | 406.79 |
| 2016-10-21 | Australian Open Championships | Raw | 145 | 85 | 152.5 | 382.5 | 412.38 |
| 2017-06-18 | Lift for Life Charity Challenge | Raw | 135 | 87.5 | 142.5 | 365 | 367.99 |
| 2017-08-04 | Australian Junior / Masters Championships | Raw | 137.5 | 82.5 | 145 | 365 | 393.13 |
| 2018-04-15 | Obsidian Open II | Raw | — | 80 | — | — | 86.24 |
| 2018-08-03 | Australian Bench Press Championships | Raw | — | 77.5 | — | — | 83.51 |
| 2018-12-08 | THE Strength Fortress Team Championship | Raw | 140 | 80 | 135 | 355 | 380.71 |
| 2019-03-03 | Avia Performance Open | Raw | 141 | 82 | 143 | 366 | 390.82 |
| 2019-06-01 | Australian Masters Championships | Raw | 143 | 84 | 148 | 375 | 400.81 |
| 2019-12-01 | Obsidian Open | Raw | 145 | 79 | 139 | 363 | 387.18 |
| 2022-07-31 | Apex Powerlifting Winter Open III | Raw | 132.5 | — | 135 | — | — |
| 2022-11-26 | Spring Showdown 1 State Qualifier | Raw | 125 | 77.5 | 142.5 | 345 | 351.87 |
| 2024-11-17 | Apex Alliance Open | Raw | 122.5 | 70 | 130 | 322.5 | 330.29 |
vs Raw · 69 kg class · masters-2 · Australia · drug-tested
vs Raw · 69 kg class · masters-2 · drug-tested
vs Single-ply · 67.5 kg class · open · drug-tested