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 Girona race is scheduled for the final day of 2026, while practical details are still to be announced.

The New Year's Eve race in Sant Llorenç is listed at 5 kilometers, but route and registration details remain unpublished.

The race is set for Dec. 31 in Sabadell, though key details of the next edition have yet to be confirmed.

Burguillos del Cerro will end the year with races for different ages and an urban 8-kilometer event.

The Madrid-area race will see out the year with two urban distances starting at the Valdelasfuentes Sports City.

Races, a family walk and a festive atmosphere in Las Rozas; here are the practical details for the day.

The event is scheduled for Dec. 31 in Lillo, but its route, start times and distances have not yet been announced.

Ten kilometers to see out the year in Getafe: schedule, registration, bib collection, age groups and prizes.

A New Year’s Eve event with urban routes, a festive atmosphere and options for different kinds of runners.

The race will take place in Crevillent on Dec. 31; the course and other details have yet to be confirmed.

Rentería will see out 2026 with a two-distance community race, though key practical details are still pending.

Benavites is listed as the 2026 host town; the route and participation details have yet to be announced.