The Hauenstein Group at the Inferno Triathlon: Four strong personalities in focus

From August 15 to 17, 2025, the Bernese Oberland will be the backdrop for one of the toughest endurance events in the world: the Inferno Triathlon. With an altitude difference of 5,500 meters and routes from Lake Thun to the Schilthorn, it will challenge even the most experienced athletes.

As a hotspot sponsor, Hauenstein Immobilien AG, part of the Hauenstein Group, is once again a partner of this legendary competition. We had already set up our first team in 2024 - but it was unable to compete due to the event being canceled.

This makes it all the more exciting that our "Hauenstein-Connected" team is competing for the first time this year. Four strong personalities - Gian-Andri, Nathalie, Daniel and Thomas - are taking on the challenging Inferno Team Trophy together. With competence, passion and confidence, they will compete to push boundaries together and create a unique sporting experience.

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Gian-Andri

With skis and a map through the snowy forests: Gian-Andri is not only an enthusiastic cross-country skier, but also a member of the Swiss B squad in ski orienteering. His greatest successes - an 8th place at the Elite World Championships and a bronze medal at the Junior World Championships - are testament to his perseverance and precision. In summer, he swaps his skis for a bike, running shoes and roller skis and often completes his sessions in the gym. In the fall, he will also start studying osteopathy at the FFHS in Zurich.

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Nathalie

It was clear early on that sport was Nathalie's world. She switched from swimming to triathlon and made it all the way to top-level sport. After several years at the highest level, she decided to end her active career this winter. Now a new chapter is opening up for the 21-year-old: from August, she is looking forward to teaching primary school - in addition to her studies at the Schwyz University of Teacher Education. Her story shows that her passion for movement does not end with her professional career - it remains, now with new priorities.

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Daniel

Music from Tream on his ears, looking ahead - this is how Daniel motivates himself for his training sessions in ski orienteering. The 26-year-old from Unteriberg loves rösti, admires cycling star Remco Evenepoel and knows that success is built on endurance and precision. Whether on the trails or in everyday life - Daniel lives the spirit of the Inferno Triathlon: always going that little bit further.

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Thomas

Thomas is a true all-rounder - whether biking, racing cycling, swimming, kitesurfing, skiing, ski touring or hiking, he is passionate about everything he does. Professionally, he runs Fässler Bedachungen-Bauspenglerei AG as a self-employed building tinsmith and roofer and is also active in real estate development. For him, sport is both a balance and an adventure - perfectly embodied by the Inferno Triathlon, which demands precisely this versatility.

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We are proud to be able to accompany Gian-Andri, Nathalie, Daniel and Thomas on their journey and to support the Inferno Triathlon as a sponsor - an event that combines endurance, team spirit and passion for sport like no other.

👉 More information about the event can be found at inferno.ch.

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