A white-hot September! 🧨

A white-hot September! 🧨


About 30% of bibs available on S1 Half 21 km. Reduced price up to September 30th on s1 Trail 57 km and S1 Ultra 164 km: 8 and 10 euro discount, save 12 euro and don’t pay commissions by signing up for an S1 Point or paying by bank transfer.

We remind the partner clubs that the reduced price remains valid until October 30, but the choice of the race goodie bag has been blocked and was allowed only to those who signed up by August 31st.

Ultra Trail Vipava Valley & Ipertrail

We are proud to announce the partnership with the Ultra Trail Vipava Valley – Slovenia as main operative and logistics partner for the Slovenian section of Ipertrail, that this year corresponds to 60% of the race.
The Philosophy of Ipertrail is discovery, teamwork and to share the values and passion for trail running. With these values, we work together to assure the participants the best experience possible and to assure the best way to discover one of the most beautiful areas of the Alpe Adria region. Two different events, two different countries, two different languages but the same values and love for our territory and sports. We Welcome you to Ipertrail, to the Vipava valley and to the Karst of Trieste.
Enroll now to Ipertrail!


The S1 route surveys and test runs calendar is online: events open to everyone and free to try.
This year, two exclusive appointments will be held with New Balance product specialists who will help you finding the best trail shoes for you.
The detailed information will be updated week by week and sent by e-mail only to those who have subscribed to the newsletter of the events. To see the calendar and receive information, visit this page.
NEXT APPOINTMENTS:  in addition to the test runs, there are many events where we can meet, register offline and receive information on the race. Visit our calendar page!