Speed, efficiency and racing instinct — from the world's fastest freestyler.
Stroke mechanics, efficiency and power from world record level.
Sprint and race-pace sets that build the speed Mollie is known for.
Splits, pacing strategy and the tactical edge that wins finals.
How Mollie stays composed and hungry when the pressure peaks.
"Speed isn't a gift. It's something you build — every single session."Mollie O'Callaghan — Lane Four Co-Founder
Whether you're a sprint specialist or all-round freestyler, a club swimmer or a competitive racer — this pathway delivers Mollie's freestyle principles inside the Lane Four app, for every level.
Register your interest and be first to know when Lane Four Pro launches on 16 June 2026. A$35/month.