About Us

Founded in 2015, we are an endurance performance technology company, providing the latest generation of altitude simulation equipment to elite athletes and the wider endurance sport community. With a combined background of over 30 years of direct involvement within these communities, we understand the importance of listening to our athletes, maximising performance and product satisfaction.


Our systems have been used and endorsed by multiple Olympic Gold Medallists, world-class triathletes, Tour de France cyclists, Formula 1 drivers and numerous more international level athletes from around the world – all of whom have become a core part of the Affinity Altitude team.

Charlie Grice

Charlie is a professional Nike sponsored middle distance athlete, having competed in Olympic Games, World Championship, Commonwealth Games and European 1500m finals for Great Britain (personal best time of 3:30.62).

Through his time as an elite athlete, he has built up a unique understanding of altitude training and a wide contact network within the global endurance running community.

Dr. Samuel Bennett

Sam is a Doctor in London and the British Army, having presented and published medical research internationally alongside having worked within the medical team at the London 2012 Olympic Games. 

He has spent time with elite endurance teams at altitude camps across Europe and Africa, having a specialist interest in endurance performance.