The race is scheduled for December in Sarria, but key details about the course and start are still unavailable.
Tazacorte will host another demanding trail event in December, with steep climbs at its heart.
The Cádiz event has a confirmed date, but its start time, exact distance and registration details remain unclear.
Picassent will host a new 10-kilometer charity race in December; some course details have not yet been published.
Bigastro has a date for its December running event, while essential details for runners are still pending.
Preixana will host a December trail event with several distance options and a walk, though some details still need confirmation.
The race returns in December with an urban course of about 10 kilometers and a start linked to Plaça de la Sardana.
Three distances and rocky terrain near Montgrí define this upcoming mountain-running event in Girona.
The Valencian trail race brings together two distances, with a 9 a.m. start; here are the confirmed details for December.
Two race distances are listed for the December event in Xeresa, with the Mondúver massif as a striking backdrop.
The December race in Málaga combines mountain running, local memory and a tribute to a resident passionate about the trails.
Two distances, a course through Navalmoral and Millanes, and prices that change depending on registration date.