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Is Zone 2 training a waste of time? Triathlon training zones explained

Find out more about training zones in triathlon, and how embracing a bit of 'Zone 2 boredom' into your training might actually make you significantly faster come race day.

By Jenny Lucas-Hill

Content Director

Last updated -

16 Jul 2025

Whether you’re an experienced triathlete or just starting to dig deeper into the world of structured endurance training. You’ll most likely have come across various references to training zones. From ...

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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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