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.

Madrid is set to host an ATHX event in May 2027, but venue, tickets and format details have yet to be announced.

Son Carrio will welcome runners again in May 2027, although several details of the event are still to be confirmed.

The Cabrils trail race has a date, but its route, distances and registration details are still to be confirmed.

April’s event combines a saltwater lagoon swim, volcanic cycling and a half marathon in Tinajo.

Chirivel will host a mountain-running event in April 2027 near the ancient juniper tree.

Biar will host the event on April 17, 2027, though the programme and distances still need confirmation.

Senija hosts the race on April 11, with a 9 a.m. start and three announced race options.

Date, route, support, relays and fundraising: the essentials of the solidarity challenge crossing the Penedès in April 2027.

The Martorell event has a confirmed date; see the verified details and precautions for transferring a place.

Agüimes and San Mateo host two mountain stages, including a decisive 27.5-kilometre climb to Cruz de Los Llanos.

Two mountain courses, individual and team categories, and an April 2027 race date in Alumbres.

A 6.706-kilometer loop, hourly starts and an endurance challenge that may continue overnight in the Serranía de Ronda.