I Lyga is the second tier of professional football in Lithuania. It operates under the governance of the Lithuanian Football Federation and features clubs competing for promotion to the top division, known as A Lyga. The league typically consists of several teams that play each other in a round-robin format. The season usually runs from spring to autumn, with each team playing a set number of matches. The performance in I Lyga is crucial for clubs aiming to advance to the higher level of competition, making it an important part of the Lithuanian football landscape.