| Duration | 9 Rounds |
|---|---|
| Number of teams | 72 |
| Highest attendance | 68,525 (  Hull F.C. vs  Wigan Warriors) (Final) |
| Lowest attendance | 87[A] (  Gloucestershire All Golds vs  North Wales Crusaders) (3rd round) |
| Aggregate attendance | 184,212 |
| Broadcast partners | BBC Sport Sky Sports |
| Winners | Hull |
| Runners-up | Wigan Warriors |
| Biggest home win | London Chargers 116 – 0 Bridgend Blue Bulls (1st Round) |
| Biggest away win | Aberdeen Warriors 8 – 62 Pilkington Recs (1st Round) |
| Lance Todd Trophy | Marc Sneyd |
| Top point-scorer(s) | 46 Liam Sutcliffe Leeds Rhinos[1] |
| Top try-scorer(s) | 6 Kieran Cross Doncaster[1] |
The 2017 Challenge Cup, (also known as the Ladbrokes Challenge Cup[2] for sponsorship reasons) was the 116th staging of the Challenge Cup the main rugby league knockout tournament for teams in the Super League, the British National Leagues and a number of invited amateur clubs.
The defending champions were Hull F.C. who beat Warrington Wolves 12–10 in the 2016 final at Wembley Stadium.[3] Hull F.C. retained the trophy beating Wigan Warriors 18–14 at Wembley on 26 August 2017.[4]
The format of the competition was eight knock-out rounds followed by a final. The first two rounds were composed entirely of 32 amateur teams. The eight winners of the second round ties were joined in round 3 by the 16 League 1 teams including for the first time a Canadian team, the Toronto Wolfpack. For the fourth round the 12 Championship teams were included in the draw. Round 5 saw four Super League teams entering the competition. These are the four teams that finished in the top four positions of the 2016 Qualifiers and are Huddersfield Giants, Leeds Rhinos, Leigh Centurions and Salford Red Devils. The remaining eight Super League teams joined in round 6.
Cite error: There are <ref group=upper-alpha> tags or {{efn-ua}} templates on this page, but the references will not show without a {{reflist|group=upper-alpha}} template or {{notelist-ua}} template (see the help page).
- ^ a b "Ladbrokes Challenge Cup: Leading Scorers". Rugby Leaguer & League Express. No. 3085. 28 August 2017. p. 7.
- ^ "Challenge Cup: Ladbrokes replace Tetley's as title sponsor". BBC Sport. 6 January 2015. Retrieved 30 October 2016.
- ^ "Scoreboard". Rugby Leaguer & League Express. No. 3034. 29 August 2016. p. 31.
- ^ "Challenge Cup final: Hull FC 18-14 Wigan Warriors". BBC Sport. 26 August 2017. Retrieved 26 August 2017.