Champion freediver Christian Redl is diving deep to bring awareness to ocean conservation.
Few people embody the spirit of adventure and environmental stewardship quite like Christian Redl. A world record-holding freediver, explorer, and passionate conservationist, Redl has spent decades redefining what’s possible beneath the surface. From diving under frozen lakes to exploring the depths of Mexico’s cenotes and the Bahamas’ blue holes, his feats are as breathtaking as the waters he navigates. But beyond the records and the adrenaline, Redl’s mission runs deeper—raising awareness about the fragile ecosystems of our oceans, lakes, and freshwater caves.
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With every dive, Redl not only pushes human limits but also shines a light on the urgent need to protect our underwater world. Whether braving extreme cold or diving with sharks, he proves that true adventure is about more than just thrill-seeking—it’s about understanding, respecting, and preserving the world below.
Can you share with us what inspired you to start freediving and how your journey in the sport has evolved over the years?
When I was six years old, my uncle gave me my first fins and mask, and I started snorkelling in the lakes of Austria. At the age of 10, I began scuba diving, always dreaming of a career underwater. Initially, I aspired to be a marine biologist, then an offshore commercial diver, and eventually a military diver. However, at 17, after watching the movie The Big Blue, I discovered freediving as a sport with world records. Jean Reno’s role in the film left a lasting impression on me, and it became the blueprint for my life.
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What are some of the most challenging environments you have free-dived in, and how do you prepare yourself mentally and physically for such extreme conditions?
I love challenges; I think people should leave their comfort zone more often because then you learn. Most of my world records are done under ice or in caves – the North Pole was really cold, minus two degrees in the water and minus 40 degrees outside. The mental preparation is very important, but that’s what I like about it.
With 12 world records under your belt, what are your most memorable achievements?
My most memorable achievement was the highest freedive in the world at 5,150m at Lake Gokyo in Nepal. It was not easy: I was working with many doctors, and most of them said it was impossible. However, after six months of training and preparation and 10 days of hiking, I set the world record. You need passion, that’s the most important thing. I always ask myself: “Why do I want this?” and “How much do I want this?” And when the two questions are answered, you always find solutions and not problems.
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You hold the record for the longest 24-hour underwater cycling. What motivated you to attempt this record?
That was funny because normally a world record is recorded in minutes – in that case, it was 24 hours. And normally I set a world record alone and not with a team of athletes. That was my personal challenge, but I loved it and I learned so much.
How can freediving contribute to raising awareness and promotion of ocean conservation efforts?
As a freediver, you have a much higher connection to the water and marine life than a scuba diver, for example. You are like a fish among fishes – you make no bubbles and no noise so the marine life like dolphins and sharks come much closer and that’s fantastic. And when you realise that everything is connected, you want to protect it.
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Tell us about your non-profit organisation, 7oceans, and the initiatives you’re leading to address critical ocean issues
The idea behind 7oceans – For the Love of the Oceans is simple. On one hand, I want to be the spokesperson for the oceans, and on the other hand, I want to be a platform for solutions. I believe there is a solution to every problem and that’s why we organise speeches at conferences and schools as well as events to clean water and build reefs, remembering that every second breath we take is from the ocean and when the ocean dies, we die.
What advice would you give to aspiring freedivers looking to push their limits and make a positive difference in ocean conservation efforts?
The most important thing in life is to give something back. Being a world record holder is most of the time a selfish project. You do it for you and your ego. After a few world records, I discovered that this view is not satisfying. So for my last records, I have always had a higher purpose.
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