1. TORX® (Tor des Géants®)

PRENN TRAIL SUMMIT 2026 CONTINUES TO BE AN OFFICIAL RACE IN THE TORX experience SYSTEM WITH 20 DIRECT SLOTS TO Tor des Geants

From Courmayeur, striding through the Alps, immersing yourself in the winding mountain trails stretching through Gran Paradiso Natural Park and Mont Avic Park, this route, renowned for its challenge and prestige, will be an opportunity for you to test yourself and have a life-changing experience.

• Tor des Géants (TOR330) is one of the world's most grueling ultra-trail races, taking place in the Aosta Valley, Italy.
• This 330 km route, with a total elevation gain of 24,000 m, crosses the Alps mountain range, reaching heights above 4,000 m, with a time limit of 150 hours.
• Superior in class, long-standing, and captivating, TORX is considered a mecca for runners who love ultra-long distances.
• The Prenn Trail Summit (held in Lam Dong) is the only race in Vietnam (and one of three in all of Asia) belonging to the TORX® eXperience system.
• Athletes who finish the 103km, 100 miles, and 250km distances at the Prenn Trail Summit 2026 will have the opportunity to receive a "PAX" spot to register directly for the legendary TOR330 race in Italy without having to go through a draw.

2. iTRA

𝗜𝗧𝗥𝗔 (𝗜𝗻𝘁𝗲𝗿𝗻𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗧𝗿𝗮𝗶𝗹 𝗥𝘂𝗻𝗻𝗶𝗻𝗴 𝗔𝘀𝘀𝗼𝗰𝗶𝗮𝘁𝗶𝗼𝗻): The International Trail Running Association. This is the international governing and supervisory association for trail running, serving as the most accurate standard and benchmark.

ITRA-rated races are trail races licensed and graded by this international association. Completing these races will help you accumulate Performance Index (PI) and Endurance Points (0-6 points) to qualify for major ultra races around the world.

3. ATM (Asia Trail Master)

The Prenn Trail Summit 2026 is a Grandmaster Quest race within the Asia Trail Master system.

𝗔𝗧𝗠 (𝗔𝘀𝗶𝗮 𝗧𝗿𝗮𝗶𝗹 𝗠𝗮𝘀𝘁𝗲𝗿): a familiar points system used in many races across Asia, attracting many outstanding runners.

Taking place in the cool highlands, the Prenn Trail Summit 2026 is not only a challenging trail race but also a golden opportunity to accumulate points for athletes pursuing the prestigious ATM Grandmaster title.

With 4 distances recognized for Grandmaster points:

250km: a long distance for endurance warriors.

100 miles, 103km, and 75km are suitable options for runners of various skill levels looking to accumulate points.

4. UTMB (Ultra Trail du Mont-Blanc)

The UTMB Index is a formula developed by the UTMB World Series, designed to assess the performance of athletes. By participating in and completing the Prenn Trail Summit, athletes will earn points for consideration in prestigious competitions within the UTMB system.