
Piedras Blancas will host the race on Dec. 19; the route and other details are still to be confirmed.

Date, distance, price and differing published details about this mountain race in Almadén de la Plata.

Cártama plans a community race day with events for different ages and a festive option for runners in costume.

The Tenerife race has a confirmed date and location, but key details for participants have yet to be published.

Navia and Samil will host a festive new running event with two distances and limited places.

The five-kilometer event returns to Irun in December, while course and registration details remain unconfirmed.

The Biscay event combines two distances with options for running, hiking or taking part with a dog.

December brings three race distances to Tacoronte, from a 5-kilometer run to the full half marathon.

The Hortaleza race is scheduled for Dec. 19, with an 11 a.m. start and 5K and 10K options.

Two distances, an early start and separate entry fees shape this mountain race scheduled for December in Vallada.

Five distances, a vertical climb and a combined race make December a trail-running weekend in Jérica.

A local calendar combines neighborhood cross-country races, charity events and Novelda’s traditional December race.