Espinosa de los Monteros hosts three mountain distances on June 5, 2027, with up to 3,700 metres of elevation gain.
Two distances, elevation gain and protected landscapes shape this mountain race in Casas Bajas in June 2027.
The Aragonese mountain race already has a date; course details and race conditions are still to be finalised.
Azpeitia hosts a mountain-running event in May 2027, with two courses and up to 4,000 metres of elevation gain.
The Álava classic returns in April 2027, although the start time, route and registration details are still pending.
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.
The event is dated for April 2027; available details do not yet specify the route, distances or start time.
A trail-running event in Zaragoza will feature several routes around Mount Moncayo, with its September 2027 date confirmed.
Castil de Campos will host its night race on July 31, 2027; the course and registration details have yet to be announced.
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...
A 4.2-kilometer climb with nearly 1,200 meters of elevation gain, plus entry details and a date that needs checking.