San Sebastián Half Marathon 2027

Expected on Sunday 4 April 2027
Start and finish on the Boulevard
Eight pacer groups from 1:20 to 2:00
Runners from 60+ countries

This race guide was written for the 2026 edition. Prices, times and course details can change, so check the official website for the latest information.

Experience the ultimate coastal running adventure through one of Spain’s most beautiful cities!

Distances for Every Runner

Choose your challenge:

Half Marathon – 21.0975km
10km – Perfect for all abilities

The Course

Discover a spectacular single-loop route starting from the iconic Boulevard in the heart of Donostia. With just 38m of elevation gain, this predominantly flat course offers the perfect opportunity for personal bests whilst showcasing the stunning Basque coastline and vibrant city centre.

Event Details

Date: Sunday, 12th April 2026
Start Time: 10:00
Start Location: Boulevard, Donostia-San Sebastián
Course Profile: 1 loop × 21.0975km (Half Marathon)
Elevation Gain: 38m
Time Limit: 2 hours 30 minutes (both distances)

Please note: Half marathon runners who reach the first lap finish line (10.5km) in over 1 hour 30 minutes will be required to leave the course.

Why Choose Donostia?

🌊 Stunning coastal scenery – Run alongside beautiful beaches 🏙️ Major city experience – Vibrant capital of the Basque Country 🏘️ Urban running at its finest – Through charming city streets ⏱️ Fast, flat course – Ideal for achieving your goals

Age Requirements

Half Marathon: 18+ years
10km: 16+ years

Registration Fees

Half Marathon: €27
10km: €18

Bib Collection

Collect your race number on 10th or 11th April 2026 during shop opening hours from any of these convenient locations:

Donostia: Deportes Apalategui
Bilbao: Intersport San Mamés
Vitoria: Running Fiz
Pamplona: Zariquiegui
Eibar: Intersport Askasibar
Irun: Leire Sport
Toulouse: Shanti Kirolak
Santander: Sapporo Sports
Logroño: Deportes Ferrer
Zumarraga: Sports Apalategui

Please bring valid ID for collection.

Race Day Facilities

Available from 8:30–13:30: ✓ Bag storage ✓ Showers ✓ Changing rooms

On-Course Support

Stay hydrated throughout your race:

Water stations: 5km, 10km, and 15km
Powerade stations: 7.5km and 12.5km

What You’ll Experience

Run through the stunning streets of San Sebastián, known for its world-class cuisine, pristine beaches, and Belle Époque architecture. This course offers the perfect combination of coastal beauty and urban energy, making it one of Spain’s most sought-after spring races.

Where to stay

Advertising · affiliate links