2024 Categoría Primera B season

[1][2] Unión Magdalena were the champions, winning their second Primera B title and promoting to Categoría Primera A after defeating Llaneros on penalties in the season's grand final following a 1–1 draw on aggregate.

[5] On 12 December 2023 the General Assembly of DIMAYOR approved a request from Cortuluá to change their home stadium for this season, moving to Palmira after one season in Yumbo, Valle del Cauca Department.

[7] In addition to this, starting from this season Real Soacha Cundinamarca left Soacha and was rebranded to Real Cundinamarca, temporarily moving to Bogotá and playing its home matches at Parque Estadio Olaya Herrera.

Source: Soccerway Tied 1–1 on aggregate, Unión Magdalena won on penalties.

Since the season runners-up Llaneros also ended up as the best-placed team in the aggregate table, they earned automatic promotion to Categoría Primera A and the promotion play-off was not played.