Three Borders International Half Marathon to span three countries

The 2026 Three Borders International Half Marathon will take place on Sunday, October 11, spanning Paraguay, Brazil, and Argentina. The event features two distances: a 21-kilometer race and a 10.5-kilometer race.

The 21-kilometer route begins in Ciudad del Este, Paraguay, crosses the Friendship Bridge into Foz do Iguaçu, Brazil, and concludes in Puerto Iguazú, Argentina, at the Three Borders Landmark. The 10.5-kilometer race starts in Foz do Iguaçu and ends in Argentina. Registration for the event is currently closed.