Freediving disciplines: what each one tests
Learn the differences between static apnea, dynamic apnea, and constant weight freediving disciplines used by athletes since the 1960s.
Freediving
5 guides covering disciplines, safety, technique and current world records.
Frenzel equalization for freedivers
Master Frenzel equalization to move past the 20m barrier and prepare for advanced mouthfill techniques used in deep freediving.
Recovery breathing after a freedive
Learn the exact 3-step sequence for hook breathing freediving to prevent shallow water blackout during deep dives.
Shallow water blackout: the killer near the surface
Learn why shallow water blackout kills even pros. We examine the physics of PpO2 drops during the final 10m of ascent based on safety protocols used since 2015.
Current freediving world records (2026)
An analysis of the 2026 freediving world records, including Alexey Molchanov's depth milestones and current CMAS and AIDA discipline limits.