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Expert swim coach on the three most common swim mistakes age group triathletes make (and how to fix them!)

Struggling to get your pool swim speed to translate to open water? We spoke to elite swimming coach Lucas David to find out what might be going wrong.

By Jenny Lucas-Hill

Content Director

Last updated -

16 Jul 2025

Swimming: The triathlon discipline that most of us age-groupers love to hate. With swimming being such a technical sport, making improvements in the water can feel like you’re swimming upstream. It’s ...

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Written by

Jenny Lucas-Hill

Jenny Lucas-Hill was Content Director at TRI247 until Sept 2025. A five-time Ironman finisher, she's also a qualified personal trainer and sports massage therapist.

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