Freedive University

Immersion Freediving is a freediving education and training brand founded by Ted Harty. It helps freedivers, spearfishers and other breath-hold enthusiasts build underwater performance, improve equalization and dive more safely. The brand shares practical guidance through its blog, videos, podcast and Freedive University newsletter, which offers regular lessons designed to expand subscribers’ knowledge and skills.

Its courses and training resources address key areas of freediving, including structured performance training, Frenzel equalization, breath-hold fundamentals and techniques for taking a bigger breath. Freedive Training Secrets, for example, focuses on using an actual training plan to develop depth, duration and comfort underwater. The site also promotes upcoming online instruction intended to help students progress without relying on pool or ocean sessions.

Safety is a central part of Immersion Freediving’s work. Through FreedivingSafety.com, it provides a free online safety course covering blackout risk and how to help protect diving partners. Ted Harty also shares daily freediving advice and hosts the Freedive Live podcast, exploring the sport and ways to become a more capable, confident and safe freediver.