Patagonia's most beloved trail half marathon
The most popular distance at Patagonia Run across all 16 editions, the 21k trail half marathon offers an accessible but challenging mountain running experience in Lanín National Park. The 21.2-kilometer course gains 1,234 meters through the iconic trails of San Martín de los Andes, providing a genuine mountain challenge for road half marathoners making the jump to trail running.
Suitable for first-timers
San Martín de los Andes, Neuquén, ArgentinaApril 08, 2026
| Location | km | Elevation |
|---|---|---|
Start Start | 0.0 | 742 m |
PAS Rosales Aid Station | 6.9 | 989 m |
PAS Bayos Aid Station | 11.9 | 892 m |
Cut Route 48 Checkpoint | 13.7 | 960 m |
Finish Finish | 21.2 | 643 m |
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