Darlington played 144 league seasons and cup tournaments in the data, 1886 to 2021. 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).
| 964 | Small Heath (England) | 1.7 |
| 965 | TuRa Ludwigshafen (Germany) | 1.7 |
| 966 | SpVgg Unterhaching (Germany) | 1.7 |
| 967 | Darlington (England) | 1.7 |
| 968 | Zonguldakspor (Turkey) | 1.7 |
| 969 | FC Slavia (BUL) | 1.7 |
| 970 | RAEC Mons (Belgium) | 1.7 |