The 2025–26 I liga (also known as Betclic I liga for sponsorship reasons) will be the 78th season of the second tier domestic division in the Polish football league system since its establishment in 1949 and the 18th season of the Polish I liga under its current title. The league is operated by the PZPN. Season overview. The season will start on 18 July 2025 and go into the winter break after the 19th matchday on 6 December. With the 20th matchday, the season will continue on 7 February 2026. The final 34th matchday is scheduled for 24 May 2026. The regular season is being played as a round-robin tournament. A total of 18 teams participate, 12 of which competed in the league campaign during the previous season, while three to be relegated from the 2024–25 Ekstraklasa and the remaining three to be promoted from the 2024–25 II liga. Each team will play a total of 34 matches, half at home and half away. Teams. A total of 18 teams will participate in the 2024–25 edition of the I liga. Changes from last season. The following teams have changed division since the 2024–25 season. "Note: Table lists in alphabetical order." League table. <onlyinclude></onlyinclude>