Adidas Infinite Trails takes place on Sat, Sep 5, 2026 in Bad Hofgastein, Austria. The main route is 100 km.
- Date
- Sat, Sep 5, 2026
- Start
- Bad Hofgastein 🇦🇹
- Distance
- 100 km
- Climbing
- 7,700 m
- Level
- Open to all
Adidas Infinite Trails is an iconic alpine trail running event in the Gastein Valley featuring a three-person relay team challenge totaling 100 km and 7,700 meters of elevation, alongside individual distances ranging from 15K to a 60K ultra.
Official event pageWhat this race demands
Adidas Infinite Trails is a mountainous 100 km relay event with 7,700 meters of elevation gain held in the Austrian Alps in September, requiring immense sustained climbing and descending capacity over alpine terrain.
Extreme Climbing Volume
With 7,700 meters of elevation gain across the total distance, athletes face relentless steep ascents that demand exceptional uphill economy and muscular endurance.
Technical Descending
Alpine trail running in the Gastein Valley requires continuous, high-concentration descending over uneven terrain, heavily loading the quadriceps and stabilizing joints.
Team Relay Execution
The three-person team format requires efficient transitions and consistent pacing strategies to maintain overall performance throughout the 100 km course.
Given the multi-hour duration of mountain relay legs, athletes should target 60 to 90 grams of carbohydrates per hour using easily digestible sources to maintain energy availability.
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