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 Málaga-area race has a date for 2027; organisers have yet to publish practical details for the next edition.

Setcases will host the race on September 5, 2027, but route, registration and start-time details are still pending.

Two routes, Ebro Valley trails and an autumn race starting in Lodosa.

Swimming, cycling and a marathon: the Basque full-distance race has a date for 2027.

A mountain loop, hourly starts and a full night on the move shape this demanding León race.

Cantimpalos will host its duathlon again in August, but some details of the 2027 course remain to be confirmed.

A weekend of coastal running in the Caribbean, from a 5K race to the full marathon.

The event connects the Pyrenees and Catalan coast over 32 legs, with teams of up to 12 runners and overnight racing.

The race will once again link Palas de Rei and Melide in June, although some details of the next edition are still pending.

Three laps on dirt paths and a green setting shape this popular Badalona race planned for May 2027.

The Galician event now has a 2027 date, while the course and registration details are still to be announced.

Two days of sport in Béjar will feature an ultra, a marathon, a shorter run and mountain bike courses.