Two days of sport in Béjar will feature an ultra, a marathon, a shorter run and mountain bike courses.
Covadonga hosts a mountain trail event on May 8, featuring two distances and a course shaped by the Asturian landscape.
A 1,600-metre circuit, six hours of racing and options to compete solo or in relay teams.
Beasain brings back its mountain marathon in July 2027, with a demanding climbing profile.
Espinosa de los Monteros hosts three mountain distances on June 5, 2027, with up to 3,700 metres of elevation gain.
The Aragonese mountain race already has a date; course details and race conditions are still to be finalised.
Viveiro will host another edition of its mountain race, with three distances and challenging elevation.
The Pyrenean race has a date for 2027, while some course details are still awaiting confirmation.
A trail-running event in Zaragoza will feature several routes around Mount Moncayo, with its September 2027 date confirmed.
The 12th Gran Maratón Montañas de Benasque will be held on 12 June 2027 with 1,900 bibs across 42, 28 and 19 km. What we know...
The Canary Islands event reaches its 35th edition with a new race organiser and a confirmed date in May 2027.
Alcúdia will open ÖTILLÖ’s season with three formats across sea, trails and mountains.