Croatian diver breaks record for prolonged underwater endurance
In a remarkable feat of human endurance, Croatian freediver Vitomir Maričić broke the Guinness World Record for the longest voluntary breath-hold on June 14, 2025. Maričić held his breath for an astonishing 29 minutes and 3 seconds, surpassing the previous record by nearly five minutes.
The record-breaking breath-hold took place in a controlled environment, with a pool set up in a hotel banquet room. Maričić, an elite freediver and world champion, is no stranger to holding his breath for extended periods. However, with the help of oxygen-assisted static apnea, he managed to push the limits of human capability.
Before his record attempt, Maričić inhaled pure oxygen for 10 minutes, substantially increasing the oxygen in his body. This technique allowed his body to have roughly five times more oxygen than average at the start.
Maričić's record-breaking achievement also served to raise awareness for ocean conservation. The event was part of Sea Shepherd’s “Fit for the Ocean” fundraiser, highlighting the importance of preserving the world's oceans.
Physiologically, the breath hold’s duration far exceeds typical human limits by managing carbon dioxide and oxygen levels and suppressing involuntary diaphragm contractions that signal the need to breathe.
The previous record for the longest voluntary breath-hold was held by Branko Petrović, a Serbian athlete, set in 2014 at 11 minutes and 35 seconds. Maričić's new record nearly doubles the breath-hold duration of bottlenose dolphins, representing a remarkable human achievement.
Interestingly, Maričić is able to hold his breath for 10 minutes and 8 seconds without the extra oxygen, demonstrating the incredible effects of pre-breathing pure oxygen. The average person can hold their breath for 30 to 90 seconds.
Guinness World Records recognised Maričić's record-breaking breath-hold, adding another impressive feat to his already impressive career. Maričić took to Instagram to express his gratitude and to emphasise the importance of oxygen preparation in achieving such a feat. He stated, "Without the increased oxygen in my body, I would not have lasted as long during my record attempt."
Maričić's record-breaking breath-hold is a testament to the power of human determination, rigorous training, and the benefits of oxygen preparation. It serves as an inspiration to all who strive to push the limits of their own capabilities.
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