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.

Five kilometres in Vallparadís, with an 11:30 a.m. start and entry fees linked to a charitable cause.

Aspe is set to host another edition of its riverside cross-country race in October, with 5K and 10K events announced.

A popular night event in Alcoy, with categories for different ages and 2026 details that need careful interpretation.

A sports morning in the Maestrat brings together trail routes, a community walk and children’s races in Càlig.

Redován appears on the 2026 race calendar, but the exact date and entry details have yet to be confirmed.

A charity cross-country race and walk in Alicante, with a scheduled 9:30 a.m. start and children’s races.

The 11th edition brings races and a non-competitive walk to Bocairent, starting from Parc de l’Estació.

Three-person teams will run through central Huesca in an event combining competition, business and camaraderie.

A nine-kilometer autumn race in Monreal del Campo, starting and finishing beside the town hall.

Two routes, separate start times and a 500-person limit shape this October mountain event in Lucena.

Two trail distances around l’Alcora and an autumn date on the local running calendar.

Three race options, varied elevation and a day on the trails in Serra: the confirmed details for October.