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 Alicante event lists three options, but the course, start times and registration details are not yet available.

The race will once again bring sport and research support together in Jerez, although full details have not yet been released.

A new start every hour, a coastal course and a race that ends only when one runner remains.

The Marines Viejo event has a confirmed date, but key route and registration details have yet to be announced.

The event will return to the February calendar, although several practical details have yet to be announced.

Castellón will host a fast 10-kilometer race in February alongside its marathon, with some details still to be confirmed.

A fast coastal course, two demanding turns and a confirmed February 2027 date in Ibiza.

The Asturian event is set for February 6; its 2027 rules and registration details are still pending.

The mountain race returns to Penedès in February, with a 20-kilometer distance linked to the UTMB Index.

Pedreguer will host its mountain race on Feb. 7, 2027, with several formats and a morning start.

Infiesto will host a new mountain race edition on February 6; fees and location are already known.

The 2025 results and 2026 race listing provide context, but key details about the next edition are still missing.