The Transylvania 100K Ultras is a premier ultra-running event set in the picturesque Carpathian Mountains of Romania, offering multiple race distances, including a grueling 100K ultra, a 50K, and a 21K. The event attracts runners from around the world who are looking to challenge themselves in one of Europe’s most beautiful and rugged landscapes. The race courses traverse through dense forests, traditional villages, and over breathtaking mountain ridges, with each distance offering a unique experience. The 100K ultra is the highlight of the event, providing the ultimate test for endurance athletes, while the 50K and 21K cater to runners of varying experience levels. The Transylvania 100K Ultras is known for its tough terrain, stunning natural beauty, and a welcoming atmosphere, making it a must-do event for trail and ultra-runners.
Race Date:
24 May, 2025
On May 24, 2025, the Transylvania 100K takes runners on a brutal yet breathtaking journey through Romania’s Bucegi Mountains, with 6,444 meters of elevation gain. Organized by Asociația Transilvania 100, this high-altitude challenge pushes endurance athletes to their limits, starting and finishing at the legendary Bran Castle.
Race Date:
24 May, 2025
The Transylvania 80K, set for May 24, 2025, is a rugged test of endurance, climbing 4,910 meters through the wild Carpathian landscapes surrounding Bran, Romania. Organized by Asociația Transilvania 100, this ultra-race demands both technical skill and mountain resilience from those willing to take on the challenge.
Race Date:
24 May, 2025
On May 24, 2025, the Transylvania 50K challenges runners with 3,320 meters of elevation gain, leading them through steep ascents, fast descents, and breathtaking mountain landscapes in Bran, Romania. Asociația Transilvania 100 organizes this world-class ultra-trail event, ensuring an unforgettable experience for all participants.
Race Date:
24 May, 2025
The Transylvania 30K, taking place on May 24, 2025, is a fast yet challenging mountain race with 2,365 meters of elevation gain, starting and finishing in Bran, Romania. Organized by Asociația Transilvania 100, this event provides a thrilling mix of runnable trails, technical climbs, and breathtaking views.
Race Date:
24 May, 2025
The Transylvania 20K, set for May 24, 2025, offers a fast yet adventurous trail experience, covering 1,230 meters of elevation gain in the mountains surrounding Bran, Romania. Organized by Asociația Transilvania 100, this race is ideal for first-time trail runners and experienced racers alike.
Weather based on historical averages.
On May 24, 2025, the Transylvania 100K takes runners on a brutal yet breathtaking journey through Romania’s Bucegi Mountains, with 6,444 meters of elevation gain. Organized by Asociația Transilvania 100, this high-altitude challenge pushes endurance athletes to their limits, starting and finishing at the legendary Bran Castle.
The Transylvania 100km is 100km long.
The Transylvania 100km takes place in Bran, Romania.
The Transylvania 100km elevation gain is 6444 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!
On May 24, 2025, the Transylvania 100K takes runners on a brutal yet breathtaking journey through Romania’s Bucegi Mountains, with 6,444 meters of elevation gain. Organized by Asociația Transilvania 100, this high-altitude challenge pushes endurance athletes to their limits, starting and finishing at the legendary Bran Castle.
The Transylvania 100km is 100km long.
The Transylvania 100km takes place in Bran, Romania.
The Transylvania 100km elevation gain is 6444 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 Transylvania 80K, set for May 24, 2025, is a rugged test of endurance, climbing 4,910 meters through the wild Carpathian landscapes surrounding Bran, Romania. Organized by Asociația Transilvania 100, this ultra-race demands both technical skill and mountain resilience from those willing to take on the challenge.
The Transylvania 80km is 80km long.
The Transylvania 80km takes place in Bran, Romania.
The Transylvania 80km elevation gain is 4910 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 Transylvania 80K, set for May 24, 2025, is a rugged test of endurance, climbing 4,910 meters through the wild Carpathian landscapes surrounding Bran, Romania. Organized by Asociația Transilvania 100, this ultra-race demands both technical skill and mountain resilience from those willing to take on the challenge.
The Transylvania 80km is 80km long.
The Transylvania 80km takes place in Bran, Romania.
The Transylvania 80km elevation gain is 4910 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!
On May 24, 2025, the Transylvania 50K challenges runners with 3,320 meters of elevation gain, leading them through steep ascents, fast descents, and breathtaking mountain landscapes in Bran, Romania. Asociația Transilvania 100 organizes this world-class ultra-trail event, ensuring an unforgettable experience for all participants.
The Transylvania 50km is 50km long.
The Transylvania 50km takes place in Bran, Romania.
The Transylvania 50km elevation gain is 3320 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!
On May 24, 2025, the Transylvania 50K challenges runners with 3,320 meters of elevation gain, leading them through steep ascents, fast descents, and breathtaking mountain landscapes in Bran, Romania. Asociația Transilvania 100 organizes this world-class ultra-trail event, ensuring an unforgettable experience for all participants.
The Transylvania 50km is 50km long.
The Transylvania 50km takes place in Bran, Romania.
The Transylvania 50km elevation gain is 3320 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 Transylvania 30K, taking place on May 24, 2025, is a fast yet challenging mountain race with 2,365 meters of elevation gain, starting and finishing in Bran, Romania. Organized by Asociația Transilvania 100, this event provides a thrilling mix of runnable trails, technical climbs, and breathtaking views.
The Transylvania 30km is 30km long.
The Transylvania 30km takes place in Bran, Romania.
The Transylvania 30km elevation gain is 2365 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 Transylvania 30K, taking place on May 24, 2025, is a fast yet challenging mountain race with 2,365 meters of elevation gain, starting and finishing in Bran, Romania. Organized by Asociația Transilvania 100, this event provides a thrilling mix of runnable trails, technical climbs, and breathtaking views.
The Transylvania 30km is 30km long.
The Transylvania 30km takes place in Bran, Romania.
The Transylvania 30km elevation gain is 2365 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 Transylvania 20K, set for May 24, 2025, offers a fast yet adventurous trail experience, covering 1,230 meters of elevation gain in the mountains surrounding Bran, Romania. Organized by Asociația Transilvania 100, this race is ideal for first-time trail runners and experienced racers alike.
The Transylvania 20km is 20km long.
The Transylvania 20km takes place in Bran, Romania.
The Transylvania 20km elevation gain is 1230 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 Transylvania 20K, set for May 24, 2025, offers a fast yet adventurous trail experience, covering 1,230 meters of elevation gain in the mountains surrounding Bran, Romania. Organized by Asociația Transilvania 100, this race is ideal for first-time trail runners and experienced racers alike.
The Transylvania 20km is 20km long.
The Transylvania 20km takes place in Bran, Romania.
The Transylvania 20km elevation gain is 1230 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
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This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Transylvania 100K Ultras or Asociatia Transilvania 100. 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 Transylvania 100K Ultras website.