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Jonathan Losa's career best to date is 713.5 kg, set in 2024 at age 41. Their total grew 51 kg over 6.9 years between their first meet and that mark (~7.4 kg/year). Career variance was 61% squat-driven.
Career-best meet: Classic Age Division National Championships · AMP
| Date | Meet | Equipment | Squat (kg) | Bench (kg) | Deadlift (kg) | Total (kg) | DOTS |
|---|---|---|---|---|---|---|---|
| 2017-07-09 | 6th Annual Central Florida Open Championships | Raw | 220 | 190 | 252.5 | 662.5 | 450.01 |
| 2017-10-10 | Raw National Championships | Raw | 222.5 | 190 | 247.5 | 660 | 448.5 |
| 2018-06-02 | Gulf Breeze Open | Raw | 227.5 | 190 | 265 | 682.5 | 462.16 |
| 2018-08-18 | Southeast Regional | Raw | 230 | 192.5 | 250 | 672.5 | 456.17 |
| 2019-04-06 | 37th Annual Florida State Championships | Raw | 230 | 195 | 245 | 670 | 453.95 |
| 2019-08-31 | Bench Nationals | Raw | — | 200 | — | — | 135.11 |
| 2019-10-16 | Raw Nationals | Raw | 232.5 | 192.5 | 257.5 | 682.5 | 461.25 |
| 2021-06-14 | Raw Bench Nationals | Raw | — | 195 | — | — | 132.09 |
| 2021-10-16 | 8th Annual Pan-American Regional Bench Press Championships | Raw | — | 195 | — | — | 132.14 |
| 2022-02-27 | Bench Press Nationals | Raw | — | 203 | — | — | 137.25 |
| 2022-04-01 | Classic Open Nationals Presented by SBD | Raw | 240 | 200 | 260 | 700 | 472.79 |
| 2022-05-21 | World Bench Press Championships | Raw | — | 198 | — | — | 134.78 |
| 2022-06-18 | Nationals | Raw | 227.5 | 180 | 247.5 | 655 | 442.57 |
| 2022-08-15 | North American Regional Powerlifting Championships | Raw | 242.5 | 200 | 262.5 | 705 | 477.17 |
| 2022-10-08 | World Masters Classic & Equipped Powerlifting Championships | Raw | 235 | 196 | 252.5 | 683.5 | 462.36 |
| 2022-10-28 | Pan-American Regional Bench Press Championships | Raw | — | 200.5 | — | — | 135.68 |
| 2023-01-14 | Bench Press National Championships | Raw | — | 195 | — | — | 132.18 |
| 2023-02-24 | Classic National Championship | Raw | 245 | 195 | 257.5 | 697.5 | 470.87 |
| 2023-05-20 | World Classic & Equipped Bench Press Championships | Raw | — | 201 | — | — | 136.3 |
| 2023-06-02 | Classic Junior and Masters Nationals | Raw | 245 | 200.5 | 250 | 695.5 | 471.78 |
| 2023-08-08 | North American Regional Powerlifting Championships | Raw | 247.5 | 195 | 245 | 687.5 | 465.07 |
| 2023-10-08 | World Masters Classic & Equipped Powerlifting Championships | Raw | 252.5 | 182.5 | 255 | 690 | 467.88 |
| 2023-10-20 | North American Regional Bench Press Championships | Raw | — | 192.5 | — | — | 128.24 |
| 2024-01-27 | Bench Press Nationals | Single-ply | — | 207.5 | — | — | 137.19 |
| 2024-05-17 | Classic Age Division National Championships | Raw | 252.5 | 201 | 260 | 713.5 | 483.65 |
| 2024-05-22 | World Bench Press Championships | Single-ply | — | 210 | — | — | 139.34 |
| 2024-10-31 | Pan-American Bench Press Championships | Single-ply | — | 185 | — | — | 122.99 |
| 2025-02-14 | Bench Press Nationals | Raw | — | 175 | — | — | 118.26 |
| 2025-05-18 | World Classic & Equipped Bench Press Championships | Raw | — | 190 | — | — | 128.75 |
| 2025-08-10 | BBC Summer Brawl | Raw | 225 | 190 | 225 | 640 | 421.76 |
| 2025-10-23 | Bench Press Championships | Single-ply | — | 227.5 | — | — | 150.3 |
| 2026-01-09 | Bench Nationals | Single-ply | — | 227.5 | — | — | 149.97 |
vs Raw · 83 kg class · masters-1 · drug-tested