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.

Illas puts the finishing touch on the EndurAstur 2026 with a technical, tough, and highly anticipated finale in Asturias.

Oviedo fine-tunes a 21.1 km race with the start at the Palacio de los Deportes and the finish on Uría, right in the city center.

Formentera turns sunset into the setting for a race with sea, sand, and two distances designed for different types of runners.

Dates, distances, elevation gain, gear, and keys to the great Madrid ultra in Navacerrada to prepare for the event wisely.

Borja hosts a historic 6.7 km event with schedules, route, services, and a mountain village atmosphere.

Schedules, routes, elevation gain, services, and prices for the Llinars del Vallès event, with the context of its natural surroundings.

Vicálvaro hosts an urban race with 10K, 5K, and kids’ events, prices starting at 5 euros, and a strong charitable component.

The Sallent cycling event combines GPS routes, a community atmosphere, and active tourism in Bages.

Alquézar hosts another edition with four routes, canyon scenery, and an organization that has already become a classic in Spanish trail running.

Departure from Siam Mall, route between Adeje and Arona, and registration with a donation to support the fight against breast cancer.

The Cercedilla race returns with two tough courses, technical terrain, and a profile designed for very sharp runners.

Date, departure, elevation gain, schedule, price, and route of the trek that connects Castellbisbal with Montserrat.