Adidas Infinite Trails is a 3-person relay / 97km ultra marathon in Bad Gastein, Austria. Distance: 97km. Elevation: 5,200m D+. Difficulty: challenging (Challenge Rating 50/100). DNF rate: 10%. Time limit: 18h. Surface: trail. Established 2018.

3-person relay / 97km challenging mountainous alpine trail scenic

Adidas Infinite Trails

Bad Gastein, Salzburg, Austria

"3-person relay through the Austrian Alps. Each runner takes a mountain leg."

Challenging

Distance 97km

Elevation Gain ↑5,200m

Surface trail

DNF Rate 10%

Cutoff 18h

What Makes It Unique

A unique 3-person relay ultra through the Austrian Alps.

The Course

A team relay through the Stubai Alps above Innsbruck, Austria. Teams of three share a high-alpine course that crosses glacial valleys, ascends to mountain huts above 2,000m, and traverses ridgelines with views of the Inn Valley far below. The relay format means each runner covers roughly a third of the distance, but the sections are steep and technical — this is genuine Alpine terrain, not a flat exchange zone. The Nordkette cable car provides the only mechanical ascent; everything else is on foot.

Profile

mountainous

Topology

loop

Aid Stations

Yes Crew Access

No Pacers

Yes Mandatory Gear

Runner Experience

Scenery 5/5

Organization 3/5

Community 4/5

Aid Stations

Standard aid station support with food, drinks, and basic medical assistance at regular intervals.

Post-Race Culture

Mountain village finish with local food, drinks, and a relaxed post-race atmosphere. The setting rewards the effort.

Race Day Weather

Temperature

14°C

4° – 22°

Humidity

55%

Rain Chance

30%

Conditions

Austrian Alps summer — warm valleys, cold peaks.

Stats & Records

Established

2018

Finishers

200

Avg Finish

12:00:00

Entry

Entry Cost

€300

Opens

December

Sells Out

weeks

Max Starters: 300

Official Website →

Lore & Trivia

The Innsbruck Alpine Trailrun Festival's relay format is unique in European mountain running — teams of three share a high-alpine course through the Stubai Alps above Innsbruck. The route crosses glacier-carved valleys, mountain huts, and technical ridgelines where the Nordkette cable car provides the only easy way up. Innsbruck has positioned itself as the trail running capital of Austria, and this event — part of a multi-day festival with races for all distances — is the centrepiece.

▸ One of the few major trail races run as a 3-person relay.
▸ Bad Gastein is famous for its thermal spas and waterfalls.
▸ The relay format creates a unique team dynamic in an individual sport.
▸ Established in 2018.
▸ Total elevation gain: 5200m.

Innsbruck's trail festival turns the city into a mountain running carnival. The relay is the team event that makes it social.

— An Infinite Trails runner

Notable Editions

2019

Festival Atmosphere

The 2019 Innsbruck trail festival drew 5,000+ participants across all race distances, establishing Innsbruck as the trail running capital of the eastern Alps and the relay as the festival's most social event.