Two distances between Huelva, Gibraleón and Corrales shape the Nov. 29 sporting event.
Córdoba will once again bring running and organ donation together in a race finishing in the hills.
The December event links Zalla and Balmaseda and revives a local athletics tradition dating back more than three decades.
Preixana will host a December trail event with several distance options and a walk, though some details still need confirmation.
Three distances and rocky terrain near Montgrí define this upcoming mountain-running event in Girona.
Artà hosts a December mountain race with two distances across trails and forest tracks.
Two days of mountain sport bring an uphill time trial, a demanding trail race and activities for all ages to Benahavís.
Jerez will host this mountain event in December: the date and start time are known, but key details are still pending.
Three routes through the Valencian mountains, a pre-dawn start and practical details to help runners prepare.
A winter event near Tarragona combines trails, paths and several race formats, with published discrepancies worth bearing in mind.
Candamo hosts a December mountain race covering 14 kilometres, with a morning start and limited places.
Ciempozuelos hosts a trail race with two distances across paths and countryside tracks.