
A 4.2-kilometer climb with nearly 1,200 meters of elevation gain, plus entry details and a date that needs checking.

Two race distances, a coastal route between O Grove and Sanxenxo, and a weekend event for the whole family.

The Canary Islands event reaches its 35th edition with a new race organiser and a confirmed date in May 2027.

The Asturian event returns in May 2027, while its routes, start times and registration details remain unknown.

Madrid is set to host an ATHX event in May 2027, but venue, tickets and format details have yet to be announced.

Son Carrio will welcome runners again in May 2027, although several details of the event are still to be confirmed.

The Cabrils trail race has a date, but its route, distances and registration details are still to be confirmed.

April’s event combines a saltwater lagoon swim, volcanic cycling and a half marathon in Tinajo.

Chirivel will host a mountain-running event in April 2027 near the ancient juniper tree.

Biar will host the event on April 17, 2027, though the programme and distances still need confirmation.

Senija hosts the race on April 11, with a 9 a.m. start and three announced race options.

Date, route, support, relays and fundraising: the essentials of the solidarity challenge crossing the Penedès in April 2027.