Heroux, Justin
Current rating: 1473
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 448 | Higgins, Luke (1532) | Won 2-1 | +191504 |
| B2sealed | 522 | Kendall, Zachary (1501) | Lost 1-2 | -181486 |
| B3sealed | 409 | Ranstrom, Mark (1575) | Lost 1-2 | -171469 |
| B4sealed | 428 | Carter, Thomas (1480) | Won 2-0 | +191488 |
| B5sealed | 268 | Rideout, Vincent (1668) | Lost 1-2 | -151473 |
| top | average opponent: 1551record: 2-3 | new rating: 1473 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 375 | Choi, Michael (1539) | Won 2-1 | +191482 |
| 2modern | 39 | Martinez, Jose (1435) | Lost 0-2 | -191463 |
| 3modern | 452 | Griswold, Lucas (1512) | Lost 0-2 | -171446 |
| 4modern | 616 | Lillibridge, Eric (1484) | Draw 1-1 | +11447 |
| 5modern | 663 | Gilbert, Josh (1479) | Won 2-0 | +181465 |
| 6modern | 514 | Stine, Chris (1591) | Won 2-1 | +211486 |
| 7modern | 371 | Rider, Brian (1389) | Won 2-1 | +161502 |
| 8modern | 249 | Petruccelli, Bradley (1555) | Lost 0-2 | -171485 |
| top | average opponent: 1498record: 4-3-1 | new rating: 1485 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Luangphinith, Timothy (1463) | Lost 0-2 | -191481 |
| 2sealed | 501 | Bradly, Tymothie (1452) | Lost 1-2 | -181463 |
| 3sealed | 151 | Mittelstadt, Tim (1463) | Won 2-1 | +181481 |
| 4sealed | 149 | Michaelsen, Kevin (1481) | Lost 1-2 | -181463 |
| top | average opponent: 1465record: 1-3 | new rating: 1463 | ||