Thirteen of the nineteen UCI WorldTeams are joined by eight UCI ProTeams to make up the twenty-one teams that participated in the race.[3][4]Bora–Hansgrohe and UAE Team Emirates, with six riders each, were the only teams not to enter a full squad of seven riders; in total, 146 riders started the race. 127 riders finished.[5]
On stage 2, Vincenzo Albanese, who was second in the points classification, wore the green jersey, because first-placed Edward Planckaert wore the violet jersey as the leader of the general classification. For the same reason, Johan Jacobs, who was second in the mountains classification, wore the red jersey.
On stage 3, Johan Jacobs, who remained in second in the mountains classification, continued to wear the red jersey, but first-placed Edward Planckaert now wore the green jersey as the leader of the points classification.
On stage 4, Edward Planckaert, who was second in the points classification, wore the green jersey, because first-placed Romain Bardet wore the violet jersey as the leader of the general classification. For the same reason, Geoffrey Bouchard, who was second in the mountains classification, wore the red jersey on stages 4 and 5.