Marcus Greatwood (born 18 March 1973) is a British freediving coach. He is most noted for his creation and development of "NT Style" Freediving, based on relaxation and breathing techniques.
Marcus Greatwood (born 18 March 1973) is a British freediving coach. He is most noted for his creation and development of "NT Style" Freediving, based on relaxation and breathing techniques. (en)
Marcus Greatwood (born 18 March 1973) is a British freediving coach. He is most noted for his creation and development of "NT Style" Freediving, based on relaxation and breathing techniques. (en)