[1] The competition began on 27 September 2016, with the qualifying rounds, and concluded on 30 April 2017, at the Final Four.

A number of 52 teams from 31 countries participated in the competition, including its qualifying rounds.

The competition format suffered multiple adjustments since its official presentation on 21 March 2016, in Paris.

The 24 qualifying round losers would be transferred to the regular season of the 2016–17 FIBA Europe Cup.

[5] On 19 August 2016, the organisation announced that AEK Athens, Dinamo Sassari, Partizan and Stelmet Zielona Góra had been accepted into the competition after withdrawing from the EuroCup.

[4][5][6] The labels in the parentheses show how each team qualified for the place of its starting round (FEC: FIBA Europe Cup title holders): The schedule of the competition was as follows:[4][7] In the qualifying rounds, teams were divided into pots based on geographical criteria, and then drawn into two-legged home-and-away ties.

[5] The losing teams from both qualifying rounds competed in the regular season of the 2016–17 FIBA Europe Cup.

[5] Following the competition expansion in August, and the resulting format changes, only four of the nine originally drawn ties were played.

For this stage, the winning team from each group and the three best runners-up qualified directly to the second phase.

The Final Four was played at the Santiago Martín in San Cristóbal de La Laguna, Spain, in April 2017.

[8] The winner of the Weekly MVP award is selected by the official website of the Basketball Champions League, championsleague.basketball.