[4][5][6] Traditionally, the Cal–UCLA rivalry is played on "All-University Weekend".

During the same week, Cal and UCLA usually play each other in any other sports in season, and the schools host festivals celebrating the achievements of the UC System.

Played annually since 1933, it was the third-longest never-interrupted rivalry in college football, behind only Iowa State vs. Kansas State (uninterrupted since 1917), and Navy vs. Notre Dame (uninterrupted from 1927 until 2020).

In 2020, the rivalry was set to end its yearly streak due to the pandemic-shortened 2020 season.

[8][9] Cal and UCLA agreed to play non-conference games from 2026−2029, with games being played at California Memorial Stadium in 2026 & 2028 and the Rose Bowl in 2027 & 2029.