It's the toughest part of the year for most, and each club has their own unique pre-season torture tests, but which stand out for some of the game's stars?
How many of the players on this list will you include in your side when the official Fantasy game of the NRL opens for 2017 in the coming weeks?
After a 12-month injury lay-off returning Titans playmaker Kane Elgey is targeting the Auckland Nines as his competitive return, keen to put 2016 behind him.
Manly forward Addin Fonua-Blake has re-signed with the club, extending his deal until the end of the 2018 season.
Titans teammates will be the ones to decide whether superstar signing Jarryd Hayne features in the club's leadership group amid concerns around his training.
After a season where he cemented his position as the game's premier custodian, Darius Boyd hopes to reach even greater heights in 2017.
Knights coach Nathan Brown says the competition for places in the 2017 side is much more fierce as Newcastle ramp up preparations for the Auckland Nines.
It looms as long season with a World Cup at the end of the year, yet two of the Broncos' biggest stars are ready to embrace the year ahead.
Cheerleaders will no longer entertain Canberra fans as part of game-day entertainment during the 2017 NRL season.
Australian coach Rohan Smith says he is up for the challenge of restoring the fortunes of a new Bradford club and insists the bulk of the players are with him.