42
km
2,736
D+
1,528
max alt.
3
ITRA pts
Course
The Zegama-Aizkorri marathon is the world's most iconic skyrace. 42km and 2,736m D+ in the Aizkorri sierra in the Spanish Basque Country. The benchmark skyrunning race since 2002.
Race profile
Zegama-Aizkorri is a 42 km trail race with 2,736 m of elevation gain, located in Zegama, Pays Basque. The next edition is scheduled for 23 May 2026.
The course reaches a maximum altitude of 1,528 m. The race is rated 3 ITRA points and features Montagne, Alpin terrain. 1 distances are available for runners.
Approximately 3,000 runners cross the finish line each year. Find all official information on the race website.
Do you organize this race?
Practical info
Finishers / year~3,000
Typeskyrace
TerrainMontagne, Alpin