Trail races in South America

3 marathons, 2 half marathons and 13 ultras on trails in South America.

The next one is the Bariloche by UTMB Tronador 130K on 20 November 2026.

The flattest is the Patagonian International Half Marathon (450 m of climbing); the hilliest is the Patagonia Run 100 Miles (9,220 m).

For cool racing conditions, the Patagonia Run 70K usually starts around 8°C.