Deepest Free Dive – 253.2 m – 831 ft | Scuba Diving Halkidiki Greece
Kona's Daniel Koval breaks national freediving record at Vertical Blue - Hawaii Tribune-Herald
Herbert Nitsch - Wikipedia
Scuba diving world records - DIVE Magazine
William Trubridge - Wikipedia
Constant Weight Freediving Depth Comparison Chart
Unearthly': Russian free diver Alexey Molchanov speaks out after record-breaking ice dive - ABC News
She Dived More Than 300 Feet Under the Sea. Can She Go Deeper? - The New York Times
How Deep Can A Human Dive Without Scuba Gear? | Koox Diving
Freediver Alexey Molchanov's Latest World Record? Under the Ice - The New York Times
Freediving Record | The Deepest Free Dive in the World
David Vencl: Free-diver plunges to record depth beneath frozen Swiss lake | CNN
An Interview With Herbert Nitsch, The Deepest Man on Earth - Adventure Mag
Victorian freediver Ant Williams breaks world record for deepest dive under ice - ABC News
Alenka Artnik sets freediving world record with 114-meter dive - The Washington Post
Fact or Fiction? Revisiting Guinness World Record Deepest Scuba Dive
Freediving is his calling': French man breaks deep dive world record with bi-fins | Trending News,The Indian Express
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The Secret to Deep Freediving: Tips from 3 Female World Record Holders | DAN Southern Africa
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William Winram 145m Freediving World Record (VWT) - YouTube
How to Freedive Off Egypts Sinai Peninsula - Bloomberg
214m (702ft) DEEPEST FREEDIVING EVER - Herbert Nitsch World Record No limits Extreme Diving Apnea - YouTube
Natalia Molchanova: Freediving champion feared dead - BBC News
