How many spring half marathons in Latin America are there?

42Cal currently lists 7 upcoming spring half marathons in Latin America, from September 2026 through April 2027. The list updates automatically as new races are added to the calendar.

When do these races take place?

The next race is in September 2026 and the calendar runs through April 2027. Races are listed by date so the soonest events appear first.

How is this list chosen?

Every entry is an upcoming, non-cancelled race that matches the "Spring Half Marathons in Latin America" criteria, pulled live from the 42Cal database and sorted by date. Past races drop off automatically.

All Collections

Race Collection

Spring Half Marathons in Latin America

There are 7 upcoming spring half marathons in Latin America on the 42Cal calendar, from September 2026 through April 2027. They span 4 countries, including Argentina, Brazil, Chile. Course elevation gain starts as low as 131 ft, with a median of 328 ft across the field.

Upcoming races

September 2026 – April 2027

Date range

Countries

328 ft

Median elevation

The Races

7 races

Sep 5, 2026

Registration Closed

Patagonian International Marathon

Torres del Paine National Park, Chile

Marathon

Also: Half Marathon, 5K, 10K

See full guide

Sep 20, 2026

Opening Soon

Maratón Internacional de Buenos Aires

Buenos Aires, Argentina

Marathon

Also: 5K, 10K, Half Marathon

See full guide

Oct 4, 2026

Registration Open

Maratón de Viña del Mar

Viña del Mar, Chile

Marathon

Also: Half Marathon, 10K

See full guide

Nov 15, 2026

Registration Open

Santander Maratona de Curitiba

Curitiba, Brazil

Marathon

Also: Half Marathon, 10K, 5K

See full guide

Nov 22, 2026

Registration Open

Maratona Monumental de Brasília

Esplanada dos Ministérios, Brasília, DF, Brazil

Marathon

Also: Half Marathon, 10K, 5K

See full guide

Mar 7, 2027

Opening Soon

Maratón Internacional LALA

Torreón, Coahuila, Mexico

Also: Half Marathon

Maratón Puerto Vallarta

Puerto Vallarta, Jalisco, Mexico

Marathon

Also: Half Marathon, 10K, 5K

See full guide

Compare These Races

Race	Date	Location	Distance	Elevation	Status
Patagonian International Marathon	September 2026	Torres del Paine National Park, Chile	Marathon	800 m	Registration Closed
Maratón Internacional de Buenos Aires	September 2026	Buenos Aires, Argentina	Marathon	40 m	Opening Soon
Maratón de Viña del Mar	October 2026	Viña del Mar, Chile	Marathon	—	Registration Open
Santander Maratona de Curitiba	November 2026	Curitiba, Brazil	Marathon	350 m	Registration Open
Maratona Monumental de Brasília	November 2026	Esplanada dos Ministérios, Brazil	Marathon	150 m	Registration Open
Maratón Internacional LALA	March 2027	Torreón, Mexico	Marathon	40 m	Opening Soon
Maratón Puerto Vallarta	April 2027	Puerto Vallarta, Mexico	Marathon	100 m	Opening Soon