The 2009–10 Segunda División season (known as the Liga Adelante for sponsorship reasons) was the 79th since its establishment. The first matches of the season were played on 29 August 2009, and the season ended on 19 June 2010. Real Betis, Numancia and Recreativo de Huelva are the teams which were relegated from La Liga the previous season. The teams which were promoted from Segunda División B were: Cádiz (champion), Cartagena (runner-up), Real Unión (play-off winner) and Villarreal B (play-off winner). The first goal of the season was scored by Quique de Lucas, who scored a seventh-minute goal for Cartagena against Girona in the early kick-off. The first red card of the season was given to David González from Las Palmas in their opening game against Real Sociedad. The first hat-trick was scored by Cristhian Stuani in the match between Castellón and Albacete.

Teams

The 2009–10 Segunda División was made up of the following teams:

League table

Results

Pichichi Trophy for top goalscorers

Last updated 19 June 2010

Zamora Trophy for top goalkeepers

Last updated 19 June 2010

Season statistics

Scoring

Cards

Teams by autonomous community