2016–17 Tercera División de México season
The 2016–17 Tercera División season is the fourth-tier football league of Mexico. The tournament began on 16 August 2016 and finished on 11 June 2017. Competition format. The Tercera División (Third Division) is divided into 14 groups. For the 2009/2010 season, the format of the tournament has been reorganized to a home and away format, which all teams will play in their respective group. The 14 groups consist of teams who are eligible to play in the liguilla de ascenso for one promotion spot, teams who are affiliated with teams in the Liga  MX, Ascenso MX and Liga Premier, which are not eligible for promotion but will play that who the better filial team in an eight team filial playoff tournament for the entire season. The league format allows participating franchises to rent their place to another team, so some clubs compete with a different name than the one registered with the FMF. Group 1. Group with 14 teams from Campeche, Quintana Roo and Yucatán. Final stage. First round. Group 2. Group with 11 teams from Chiapas, Oaxaca, Tabasco and Veracruz. Final stage. Second round. Group 3. Group with 18 teams from Hidalgo , Oaxaca, Puebla, San Luis Potosí and Veracruz. League table. First round. Group 4. Group with 18 teams from Greater Mexico City and Puebla. Final stage. First round. Group 5. Group with 13 teams from Mexico City and State of Mexico. Final stage. Second round. Group 6. Group with 12 teams from Guerrero, Morelos, Puebla and State of Mexico. Final stage. Second round. Group 7. Group with 19 teams from Hidalgo and Greater Mexico City. Final stage. First round. Second round. Third round. Group 8. 14 teams from Guanajuato, Guerrero, Michoacán and Querétaro. Final stage. Second round. Group 9. Group with  18 teams from Aguascalientes, Guanajuato, Jalisco, Michoacán and Zacatecas. Final stage. First round. Group 10. Group with 20 teams from Colima, Jalisco and Michoacán. Final stage. First round. Group 11. Group with 18 teams from Jalisco, Nayarit and Sinaloa. Final stage. First round. Group 12. Group with 18 teams from Coahuila, Nuevo León, San Luis Potosí and Tamaulipas. Atlético Linares, Cinco Estrellas and Tuneros de Matehuala did not participate in the second round and their matches were canceled. Final stage. First round. Group 13. Group with 11 teams from Baja California Sur, Sinaloa and Sonora. Group 14. Group with 8  teams from Chihuahua, Coahuila and Durango.