How many half marathons in Latin America in May are there in 2027?

There are 13 upcoming half marathons in Latin America in May listed on 42Cal, all in May 2027. The count updates automatically as races are added.

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

Most of the 14 races on this list (14 of them) fall in May.

Which race in this list has the least elevation gain?

Medio Maratón Cozumel in Cozumel is the flattest race on this list, with about 98 ft of total elevation gain — based on the 14 of 14 races here with elevation data on file.

How current is this list?

This list was last refreshed on October 5, 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

May Half Marathons in Latin America 2027

There are 13 upcoming half marathons in Latin America in May on the 42Cal calendar, all in May 2027.

Upcoming races

May 2027

Date range

Countries

410 ft

Median elevation

Race data last updated October 5, 2026.

Upcoming May Half Marathons in Latin America 2027

13 races

May 2, 2027
Opening Soon
Maratón Internacional de Mendoza
Mendoza, Argentina
Marathon
Also: Half Marathon, 10K
See full guide
May 2, 2027
Opening Soon
Maratón Montevideo
Montevideo, Uruguay
Marathon
Also: Half Marathon, 10K
See full guide
May 9, 2027
Opening Soon
Trinidad and Tobago Midnight Marathon
Port of Spain, Trinidad, Trinidad and Tobago
Marathon
Also: 10K, Half Marathon
See full guide
May 16, 2027
Opening Soon
Maratón de Santiago
Santiago, Chile
Marathon
Also: Half Marathon, 10K, 5K
See full guide
May 16, 2027
Opening Soon
Medio Maratón de Valladolid
Valladolid, Yucatán, Mexico
Half Marathon
Also: Half Marathon
See full guide
May 16, 2027
Opening Soon
Medio Maratón Emoción Deportiva
Ciudad de México, Mexico
Half Marathon
See full guide
May 16, 2027
Opening Soon
Medio Maratón Internacional Ensenada
Ensenada, Baja California, Mexico
Half Marathon
See full guide
May 16, 2027
Opening Soon
Medio Maratón Internacional Zapopan
Zapopan, Jalisco, Mexico
Half Marathon
See full guide
May 23, 2027
Opening Soon
Lima 42K
Lima, Peru
Marathon
Also: Half Marathon
See full guide
May 30, 2027
Opening Soon
Carrera IPN Once K (11K)
Ciudad de México, Mexico
Other
Also: 5K, Half Marathon
See full guide
May 30, 2027
Opening Soon
Medio Maratón de la Plata
Pachuca, Hidalgo, Mexico
Half Marathon
Also: 10K, 5K
See full guide
May 30, 2027
Opening Soon
Medio Maratón Uruapan
Uruapan, Michoacán, Mexico
Half Marathon
See full guide
May 30, 2027
Opening Soon
Rio de Janeiro Marathon
Rio de Janeiro, Brazil
Marathon
Also: Half Marathon, 5K, 10K
See full guide

Recently Run

1 race

May 3, 2025
Completed
Medio Maratón Cozumel
Cozumel, Quintana Roo, Mexico
Half Marathon
Also: 10K, 5K
See full guide

Compare These Races

Race	Date	Location	Distance	Elevation	Status
Maratón Internacional de Mendoza	May 2027	Mendoza, Argentina	Marathon	138 m	Opening Soon
Maratón Montevideo	May 2027	Montevideo, Uruguay	Marathon	100 m	Opening Soon
Trinidad and Tobago Midnight Marathon	May 2027	Port of Spain, Trinidad and Tobago	Marathon	60 m	Opening Soon
Maratón de Santiago	May 2027	Santiago, Chile	Marathon	140 m	Opening Soon
Medio Maratón de Valladolid	May 2027	Valladolid, Mexico	Half Marathon	40 m	Opening Soon
Medio Maratón Emoción Deportiva	May 2027	Ciudad de México, Mexico	Half Marathon	150 m	Opening Soon
Medio Maratón Internacional Ensenada	May 2027	Ensenada, Mexico	Half Marathon	40 m	Opening Soon
Medio Maratón Internacional Zapopan	May 2027	Zapopan, Mexico	Half Marathon	150 m	Opening Soon
Lima 42K	May 2027	Lima, Peru	Marathon	200 m	Opening Soon
Carrera IPN Once K (11K)	May 2027	Ciudad de México, Mexico	Other	80 m	Opening Soon
Medio Maratón de la Plata	May 2027	Pachuca, Mexico	Half Marathon	200 m	Opening Soon
Medio Maratón Uruapan	May 2027	Uruapan, Mexico	Half Marathon	125 m	Opening Soon
Rio de Janeiro Marathon	May 2027	Rio de Janeiro, Brazil	Marathon	139 m	Opening Soon
Medio Maratón Cozumel	May 2025	Cozumel, Mexico	Half Marathon	30 m	completed