Here is the Mexican fishing tournaments calendar in 2020
Between February 28 and November 8, Mexico will host nine national championships in the 2020 sports fishing season, according to the official calendar provided by the National Federation.

After taking place in Banderas Bay, Nayarit the National Technical Congress, a meeting that brought together heads of state associations and the National Federation, the highest body of the specialty in Mexico released the official calendar.
The 2020 season will begin on February 28 with the fourth edition of the National Championship of Macabil and Tenguayaca, which, based in the Sumidero Canyon, in Chiapa de Corzo, Chiapas, will classify the best exponents for the 2021 Pan American Championship.
The last activity will be the 15th edition of the Big Game Trolling National Championship in Mazatlan with tickets to the Big Game Italia 2021 World Championship.
2020 OFFICIAL SPORTS FISHING CALENDAR IN THE MEXICO
Nacional Macabil y Tenguayaca
28 - 29 April - 1 May
Chiapas
Nacional de Robalo
April 3 - 5
Tabasco
Nacional de Kayak
30 - 31 May
Nayarit
Nacional Kayak
21-23 August
Nayarit
Nacional Lobina Embarcación
1-4 October
Nuevo Leon
Nacional Lobina Embarcación
1-3 May
Aguascalientes
Asamblea Nacional
29 May
Nayarit
Nacional Lobina Orilla
7-8 August
Nuevo Leon
Nacional de Playa
5-6 September
Sonora
Nacional Big Game
6-8 November
Mazatlan

Source: Big Fish