How many half marathons in Latin America in December are there in 2026?

There are 8 upcoming half marathons in Latin America in December listed on 42Cal, all in December 2026. The count updates automatically as races are added.

When is the best time for half marathons in Latin America in December?

Most of the 8 races on this list (8 of them) fall in December 2026.

Which race in this list has the least elevation gain?

Medio Maratón Tulum in Tulum is the flattest race on this list, with about 98 ft of total elevation gain — based on the 8 of 8 races here with elevation data on file.

How current is this list?

This list was last refreshed on October 12, 2026. Race dates, locations, and course details are updated continuously as organizers confirm changes, so this page reflects the calendar as of that date.

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Race Collection

December Half Marathons in Latin America 2026

There are 8 upcoming half marathons in Latin America in December on the 42Cal calendar, all in December 2026.

Upcoming races

December 2026

Date range

Countries

131 ft

Median elevation

Race data last updated October 12, 2026.

Upcoming December Half Marathons in Latin America 2026

8 races

Dec 6, 2026
Registration Open
Gran Maratón Pacífico Mazatlán
Mazatlán, Sinaloa, Mexico
Marathon
Also: Half Marathon, 10K, 5K
See full guide
Dec 6, 2026
Opening Soon
Medio Maratón Tulum
Tulum, Quintana Roo, Mexico
Half Marathon
Also: 5K, 10K
See full guide
Dec 6, 2026
Registration Open
Reggae Marathon
Kingston, Jamaica
Half Marathon
Also: 10K, 5K
See full guide
Dec 6, 2026
Opening Soon
Run Barbados Marathon
Bridgetown, Saint Michael, Barbados
Marathon
Also: 5K, 10K, Half Marathon
See full guide
Dec 6, 2026
Registration Open
San José Marathon Costa Rica
San José, San José Province, Costa Rica
Marathon
Also: Half Marathon, 10K, 5K
See full guide
Dec 13, 2026
Sold Out
Maratón Powerade Monterrey
Monterrey, Nuevo León, Mexico
Marathon
Also: Half Marathon, 10K, 5K
See full guide
Dec 13, 2026
Registration Open
Maya Marathon
Cozumel, Quintana Roo, Mexico
Marathon
Also: Half Marathon, 10K
See full guide
Dec 13, 2026
Registration Open
Rock 'n' Roll Mexico City Half Marathon
Ciudad de México, Mexico
Half Marathon
Also: 10K
See full guide

Compare These Races

Race	Date	Location	Distance	Elevation	Status
Gran Maratón Pacífico Mazatlán	December 2026	Mazatlán, Mexico	Marathon	40 m	Registration Open
Medio Maratón Tulum	December 2026	Tulum, Mexico	Half Marathon	30 m	Opening Soon
Reggae Marathon	December 2026	Kingston, Jamaica	Half Marathon	30 m	Registration Open
Run Barbados Marathon	December 2026	Bridgetown, Barbados	Marathon	150 m	Opening Soon
San José Marathon Costa Rica	December 2026	San José, Costa Rica	Marathon	150 m	Registration Open
Maratón Powerade Monterrey	December 2026	Monterrey, Mexico	Marathon	181 m	Sold Out
Maya Marathon	December 2026	Cozumel, Mexico	Marathon	30 m	Registration Open
Rock 'n' Roll Mexico City Half Marathon	December 2026	Ciudad de México, Mexico	Half Marathon	90 m	Registration Open