Course Map - Medio Maraton de San Sebastian
The Rural Kutxa San Sebastián Half Marathon course is a single-lap, flat, and coastal route that captures the natural elegance and urban charm of the Basque Country’s most beautiful seaside city. Designed for speed and enjoyment, the 21.1 km route combines panoramic views of the Bay of Biscay with the vibrant city atmosphere that makes San Sebastián a world-class running destination.
Start and Finish
The race begins and ends in the heart of the city, at Alderdi Eder Gardens, next to San Sebastián City Hall (Ayuntamiento) and overlooking the picturesque La Concha Bay. This central location ensures easy access for runners and a festive atmosphere filled with cheering spectators.
Route Overview
From the start, runners head out along the city’s scenic waterfront, tracing a path that showcases San Sebastián’s three iconic beaches — La Concha, Ondarreta, and Zurriola. The course meanders through El Antiguo, Centro, and Gros districts, blending historic avenues, seaside promenades, and lively residential streets.
Participants experience a smooth rhythm of long straight sections and gentle curves, perfect for maintaining even pacing. The half marathon’s minimal elevation profile makes it one of the fastest courses in Spain, ideal for setting personal bests or chasing qualifying times.
Course Highlights
La Concha Promenade: One of Europe’s most famous beach walks, offering breathtaking ocean views and the iconic white railings of San Sebastián.
Ondarreta and Miramar Palace: Runners pass beneath the elegant gardens of Miramar Palace, with sweeping vistas over the bay.
Zurriola Beach & Kursaal Bridge: The modern face of San Sebastián, featuring the Kursaal Congress Centre and the lively Gros district.
City Center (Centro & Boulevard): Narrower sections lined with cheering crowds and the city’s elegant architecture create a thrilling atmosphere before the final stretch back toward Alderdi Eder.
Technical Details
- Distance: 21.0975 km (AIMS certified)
- Loops: One complete lap
- Surface: 100% asphalt, closed to traffic
- Elevation: Practically flat with minor undulations (ideal for PBs)
- Aid Stations: Every 5 km with water, isotonic drinks, and medical support
- Finish Line: Alderdi Eder Gardens, beside La Concha Bay
Flat, scenic, and impeccably organized, the San Sebastián Half Marathon course offers the perfect blend of speed, beauty, and atmosphere. Whether racing for a record or enjoying a seaside run through one of Europe’s most elegant cities, this route promises a memorable experience from start to finish.





