Running calendar · Spain 2026
The best half marathons (21K) to run in Spain in 2026, with their dates and why each one is worth it.
The half marathon is the perfect distance: long enough to be a challenge, manageable enough to enjoy. Spain has spectacular halves in 2026, from world records to the best atmospheres. These are our favourites, with their dates.
Valencia · 21.097 km
The one to run📅 25 October 2026
The fastest half marathon course in the world — world records have been set here. Flat, fast and with Valencia's organising pedigree. A must.
Create your Valencia poster →Barcelona · 21.097 km
📅 15 February 2026
One of the highest-level, best-atmosphere halves in Europe. A fast, crowd-lined urban course through the heart of Barcelona.
Create your Barcelona poster →Seville · 21.097 km
📅 25 January 2026
Flat and fast through Seville's old town, with mild January weather. Perfect to open the season with a PB.
Create your Seville poster →Bilbao · 21.097 km
📅 17 October 2026
The northern half par excellence: the estuary, the Guggenheim and an atmosphere that hooks you. A beautiful, well-run course.
Create your Bilbao poster →Madrid · 21.097 km
📅 Spring 2026
The capital's half, with the buzz of a big running city. Check the official date: usually held in spring.
Create your Madrid poster →Málaga · 21.097 km
📅 2026 · check official date
21K by the Mediterranean, with great weather almost year-round. A comfortable, rewarding half on the Costa del Sol.
Create your Málaga poster →Prepare your half marathon
Pick your race, work out the pace you need for your target time and follow a free training plan. On race day, turn your route into a poster that remembers what you achieved.
The Valencia Half Marathon has the fastest course in the world (world records have been set on it). Along with Seville and Barcelona, it's the best option for a personal best over 21K.
The Valencia Half Marathon 2026 takes place on 25 October 2026. It's one of the fastest and most prestigious 21K races on the international calendar.
With a base, a 12-week plan is typical. Download our free half marathon training plan and calculate your target pace with the pace calculator.
Valencia, Seville and Barcelona are ideal — flat and very well organised. For your first 21K, prioritise a flat course and a good training plan over the finish time.
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