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 Horcajo de la Ribera race combines mountains, two courses, and a very demanding Gredos setting.

Alzira prepares a fast, urban race starting at Plaça Major, with kids' events and a flat 8K to close out July.

The Jaén event returns in a charitable format, with several modalities and the Ángel Cortés track as the main venue.

The Segovian race combines dirt, mountains, solidarity, and a small-town atmosphere in an event designed for all types of participants.

Calendar, venue, context and key details of the Open Endurastur 2026 in La Felguera, an enduro mountain biking event.

A coastal 5K in Vilassar de Mar with bib, T-shirt, and a cap of 2,500 runners.

The charity initiative takes place on July 4, adds up to 10, 30, or 50 km, and costs 30 euros with jersey included.

A medal race with 10K, minors, full services, and cash prizes for the absolute category.

Begonte prepares an event with 7 km, minor races, a hike, and a setting by the Ladra that makes the difference.

Santiago hosts a cycling tour with two routes, a charitable atmosphere, and a start next to the cathedral.

Meco hosts a nighttime mountain event with a festive atmosphere, headlamps and an accessible course for different levels.

The Alboraya charity race returns in June with a certified 10 km course, limited spots, and a very unique finish.