 | |
| Season | 2017 |
|---|---|
| Champions | Gyeongnam FC (1st title) |
| Promoted | Gyeongnam FC |
| Matches played | 180 |
| Goals scored | 454 (2.52 per match) |
| Best Player | Marcão |
| Top goalscorer | Marcão (22 goals) |
| Biggest home win | Bucheon 6–2 Anyang (19 June 2017) |
| Biggest away win | Daejeon 1–4 Seongnam (27 August 2017) Anyang 1–4 Gyeongnam (2 September 2017) |
| Highest scoring | Bucheon 6–2 Anyang (19 June 2017) |
| Highest attendance | 10,683 Anyang 1–4 Gyeongnam (2 September 2017) |
| Average attendance | 2,324 |
← 2016 2018 → | |
The 2017 K League Challenge was the fifth season of the K League 2, the second-highest division in the South Korean football league system. Champions and winners of the promotion playoffs could be promoted to the K League 1.