Corsa della Bora: An epic winter adventure along the scenic trails of Slovenia and Italy. Unified start at first light from the border of Basovizza. This 57 km race crosses majestic mountains, ancient castles, enchanting valleys, and rocky beaches, offering breathtaking views of the Gulf of Trieste. Every kilometer tells a story of unity, beauty, and endurance. Join this unique challenge and be enchanted by the magnificence of winter along the Corsa della Bora, an unforgettable experience that will take you through stunning landscapes and leave you with lasting memories.
We have a yearly alternating schedule for our events. The 164km non-stop race, known as the S1 Ultra, was last held in 2023 starting from Gorizia, and is set to return in 2025.
In the intervening year, 2024, we’re hosting the Ipertrail, which is a staged race covering a total of 166km, allowing for a different kind of experience and challenge for our participants.