Find the best calendar of popular races, marathons, half marathons, and 10K events. Dates, registrations, and all the details for your big challenge, right here.

The Catalan event is set for December, with its start point, some services and several course questions already in view.

A winter running event through Torreperogil, with an adult race and distances for school-age participants.

The festive race has a date on the calendar, but key details such as the course and registration have yet to be announced.

A new edition of the memorial is scheduled for December in Getxo, with course and registration details still to be confirmed.

A festive mountain race in Borriol combines trails, challenging terrain and a holiday atmosphere. Here are the confirmed details.

The event returns to Aranjuez in December with a 10K and a scheduled midday start.

Monóvar will host this mountain event in December, with details on timing, entry and distances still awaiting confirmation.

Manacor will host another holiday-season race in December, with adult distances and children’s events.

The event has a confirmed date and location, but key course and registration details are still outstanding.

The Motril race returns in December 2026; details from its previous format still need confirmation.

Two distances, a morning start and a classic Valencian athletics event on December 20.

The Córdoba event will once again bring popular sport and support for the Food Bank together on a six-kilometre urban route.