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 distances cross the Sierra de Malagón in a race featuring the regional championship and early-morning starts.

Deba will host a 9.5-kilometer race in January, with entry listed at 16 euros.

Callosa d’en Sarrià hosts a January mountain event with several formats and routes through the surrounding hills.

The race has a date and location, but key details on the course, schedule and registration are still pending.

The 10th anniversary brings mountain routes and a canicross event to Las Tirajanas.

Asphalt, dirt tracks and protected landscapes frame a race offering 10K and half-marathon distances.

Petrer will host a demanding mountain race in January, with solo and relay formats.

Three distance options and a mountain course in Premià de Dalt: the details currently known about the 2027 edition.

The event returns to Arrigorriaga on Jan. 16, 2027; routes, start times and registration details have not yet been provided.

Five kilometres by the sea open Ibiza’s 2027 running calendar in January, with a flat course and three entry-price tiers.

The Alicante municipality will host a five-kilometer road race on Jan. 10, 2027.

The Jaén race will once again combine running, glowing streets and bonfires, while some details of the 2027 edition remain pending.