2024–25 Swiss Challenge League

The 2024–25 Swiss Challenge League (referred to as the Dieci Challenge League for sponsoring reasons) is the 127th season of the second tier of competitive football in Switzerland and the 22nd season under its current name.

Teams
On May 11 2024, Étoile Carouge returned to the Challenge League after a 12 year absence. On May 15, 2024, FC Stade Lausanne-Ouchy, relegated from the Super League, returned to the second series after a one year absence. They replace last season's Challenge League champions FC Sion, who returned to the top flight after a 1 year absence, and FC Baden, who were relegated to the Swiss Promotion League after just one season in the Challenge League.

Schedule
The Swiss Football League (SFL) released a detailed schedule on 5 December 2023. The season will begin on 19 July 2024 and conclude on 23 May 2025. The league will go on winter break after matchday 18 on 15 December 2024 and resume on 24 January 2025. The final matchday of the relegation group will take place on, while the championship group will hold its last matches. The two legs of the promotion play-offs are scheduled for 27 and 30 May 2025, while the relegation play-off will be held on 26 and 29 May 2025.