Spanning three days from September 19 to 21, 2025, the Julian Alps Trail Run by UTMB features six distinct races: 120K, 80K, 50K, 25K, 15K, and 10K. Each course is meticulously designed to showcase Slovenia's iconic landscapes, including the medieval town of Radovljica, the picturesque Lake Bled, and the majestic peaks of the Julian Alps. The event not only challenges participants with varying terrains and elevations but also immerses them in the rich cultural heritage of the region. Whether you're an elite athlete or a recreational runner, this event promises an unforgettable experience amidst nature's splendor.
Race Date:
19 September, 2025
The SKY TRAIL 50K, held on September 19, 2025, starts in Žirovnica and spans 50 km through the Julian Alps. With 2,700 meters of elevation gain, runners will navigate technical trails and steep climbs before finishing in Kranjska Gora.
Weather based on historical averages.
The SKY TRAIL 50K, held on September 19, 2025, starts in Žirovnica and spans 50 km through the Julian Alps. With 2,700 meters of elevation gain, runners will navigate technical trails and steep climbs before finishing in Kranjska Gora.
The Julian Alps Trail Run by UTMB is 50km long.
The Julian Alps Trail Run by UTMB takes place in Kranjska Gora, Slovenia.
The Julian Alps Trail Run by UTMB elevation gain is 2700 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
The SKY TRAIL 50K, held on September 19, 2025, starts in Žirovnica and spans 50 km through the Julian Alps. With 2,700 meters of elevation gain, runners will navigate technical trails and steep climbs before finishing in Kranjska Gora.
The Julian Alps Trail Run by UTMB is 50km long.
The Julian Alps Trail Run by UTMB takes place in Kranjska Gora, Slovenia.
The Julian Alps Trail Run by UTMB elevation gain is 2700 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
Running
Nature
UTMB
Altitude
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by I Feel Slovenia Julian Alps Trail Run or Ultra-Trail du Mont-Blanc (UTMB). All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the I Feel Slovenia Julian Alps Trail Run website.