Dr Olivia McCarthy, Author at 220 Triathlon

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About: Dr Olivia McCarthy is a clinical exercise physiologist at the Applied School of Exercise Technology of Medicine at Swansea University. She has a keen interest in how exercise influences various aspects of the human body and how this information can be used to help promote physical activity in people living with type 1 diabetes.

Articles by Dr Olivia McCarthy

Women

How do female hormones affect exercise?

Dive into the science behind how the hormones oestrogen and progesterone affect athletic performance in women

15 February 2022 / 13:31 GMT15 February 2022 / 13:33 GMT

Race-day Advice

Triathlon transitions: Transition faster and more efficiently with our step-by-step guide

Want stress-free, quick and fast triathlon transitions that will help set you up for a PB? Then read on for our expert guide

18 June 2026 / 05:20 BST18 June 2026 / 05:20 BST

Triathlon transitions: Transition faster and more efficiently with our step-by-step guide

Bike shoes

What are the best bike shoes for triathlon? Cyclist tests 10 for training and racing in 2026

Our expert reviewers submitted 10 triathlon bike shoes to rigorous testing to help you find the right pair for you…

17 June 2026 / 10:01 BST17 June 2026 / 10:01 BST

Run shoes

What are the best running shoes? We test the best kicks for speed, comfort, and stability in 2026

Baffled by the search for running shoes and want to find the best ? Here are our 10 favourite all-rounder running shoes tested by experts.

17 June 2026 / 09:29 BST17 June 2026 / 09:29 BST

Blog

Can we make tri-suits great again? More ice pockets, custom fits and longer sleeves, please

They may look wacky, but tri-suits are hands down the best gear for triathlon racing. Here’s where we think there’s room for improvement though

17 June 2026 / 08:35 BST17 June 2026 / 08:35 BST

Can we make tri-suits great again? More ice pockets, custom fits and longer sleeves, please

Run shoes

The best budget running shoes for road and trail in 2026

Here are the best budget running shoes on the market – all for less than $125/£100.

16 June 2026 / 13:10 BST16 June 2026 / 15:33 BST

Tri-tech, Bike computers

What are the best bike computers? We test our favourite 7 for cyclists

Bike computers will help you navigate when out on the bike, as well as take in important ride metrics. But which computer is worth your biking dollar? We test the best to find out…

16 June 2026 / 12:29 BST16 June 2026 / 12:29 BST