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 date and town are set; the route, distances and registration details are not yet available.

A long-running duathlon combines three segments, mountain biking, prizes and a traditional meal in Alpedrete.

A trail-running day in the Ports brings together races for different ages and levels, as well as a non-competitive walk.

The Gipuzkoa race is scheduled for March 2027, while course and registration details are still to come.

On March 14, 2027, Elche will host another edition of its five-kilometre women’s race.

La Cavada will host the race on March 21; routes, registration and other details are still to be announced.

Swimming, cycling and running on the coast of Capdepera, with individual and team options.

A lagoon swim, wind-exposed cycling and a road run: what to expect at Lanzarote’s March 2027 event.

Fraga will welcome runners again in March 2027, although several race details have yet to be announced.

Onil hosts a March trail event with four options, an 8 a.m. start and entry fees that vary by registration date.

The new race in Málaga has a date and aims to attract national and international athletes.

Setienes will welcome runners again in March 2027; the known distance and elevation come from previous editions.