Festival de Ultrafondo – 24 Horas de Cantabria-Ciudad de Santander

The Santander Ultramarathon Festival invites runners to push their limits on a coastal circuit in the capital of Cantabria. This 150 km race stands out for its completely flat profile at sea level, ideal for athletes looking to set personal bests in ultra-distance running. The combination of Santander's maritime setting and excellent organization makes it a must-attend event on the national calendar.