If you want to experience an unforgettable adventure in the Tyrolean mountains, the K42 is the perfect choice: covering 43.4 kilometers and 2,400 meters of elevation gain, participants can look forward to a varied route through impressive mountain landscapes. Beautiful, technically challenging trails and breathtaking views make this race a special experience for anyone who wants to run the classic marathon distance.
Experienced and trained trail marathon runners who want to run a selective and demanding trail marathon. Technically challenging and demanding, especially on the uphill and downhill sections.
A trail marathon that packs a punch. With an elevation gain of around 2,400 meters, this trail is looking for brave runners who are up for a challenge. In addition to flowing sections that offer short breaks to catch your breath, there are also steep climbs over the Mutterer Alm, into the Axamer Lizum and up to the Nordkette. Innsbruck’s classic mountains invite you to catch your breath and enjoy the view. One thing is certain: anyone who competes here should be well prepared for this challenge.
Closed trail running shoes (grippy sole)
Extra: Long-sleeved shirt or short-sleeved shirt + arm warmers*
Extra: Long pants or leg warmers*
Rain jacket with hood (minimum 10k water column recommended)
Buff / Cap / Bandana
*Basic rule: No bare skin (applies only to extra clothing)
Beverage container with a capacity of 1 liter (no cups at the aid stations!)
Food (>500kcal)
Identity card (only for race bib distribution)
Mobile phone (smartphone/cell phone)
Mountain rescue insurance
First aid kit
Rescue blanket (210 x 160 cm)
Whistle
Cold/bad weather gear
Rain pants
Beanie
Gloves
Third layer (warm) clothing
Shoe spikes
Cold weather gear is an essential part of the mandatory equipment. Depending on weather conditions, the organization may require participants to carry this additional mandatory equipment.
Refreshments during the run (drinks, energy bars, Tyrolean delicacies, etc.)
Voucher for carboloading
Marked running course
Route safety ensured by numerous track marshals and mountain rescuers
GPX track of the course
Personalized race number including chip for timing
Luggage storage at the event venue
Medical care in the start/finish area
Finisher medal, online certificate
Crewing is only permitted at the official aid stations. Please note that not all stations are accessible by car or have parking facilities.
There will be a mandatory race briefing for all participants in the K15-K110 competitions.
Here you will receive all the latest information about the course, weather, safety rules, and organizational procedures—compact, clear, and right before the start.
Along the route, you will find aid stations offering a variety of food and drinks. You can find more detailed information here.
Secure your spot at the adidas Innsbruck Alpine Trailrun Festival 2026 and become part of the international trailrunning community.
