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
Patagonia Run 21k is a loop trail race in San Martín de los Andes, Neuquén, Argentina, held on April 08, 2026. The course covers 21.2 km, climbs 975 m, and has an 8h cutoff.
| Location | km | Elevation | Cutoff |
|---|---|---|---|
Start Start | 0.0 | 742 m | — |
PAS Rosales Aid Station | 6.9 | 989 m | — |
PAS Bayos Aid Station | 11.9 | 892 m | 6h3:00 PM |
Cut Route 48 Checkpoint | 13.7 | 960 m | 6h30m3:30 PM |
Finish Finish | 21.2 | 643 m | 8h5:00 PM |
Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.
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