Excelsior AC Roubaix played 20 league seasons and cup tournaments in the data, 1931 to 1945, winning 1 domestic cup. Success weighs every finish by how hard that competition was to win; Efficiency is the share of what the club could have won that it did win; Edge compares that with an average participant (×1.00).
| Competition | Won | Seasons |
|---|---|---|
| Coupe de France | 1 | 1932-33 |
| 997 | Mladost Lucani (Serbia) | 1.6 |
| 998 | FC Cartagena (Spain) | 1.6 |
| 999 | CDNA (BUL) | 1.6 |
| 1000 | Excelsior AC Roubaix (France) | 1.6 |
| 1001 | SSV Ulm 1846 (Germany) | 1.6 |
| 1002 | Saturn Ramenskoye (Russia) | 1.6 |
| 1003 | FC Crotone (Italy) | 1.6 |
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