Triathlon champ Beth Potter reveals how she keeps her edge even when asleep
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![Triathlon champ Beth Potter reveals how she keeps her edge even when asleep](https://i2-prod.dailystar.co.uk/incoming/article32301211.ece/ALTERNATES/s615/0_Beth_Potter_WTCS_Montreal.jpg)
The former physics teacher didn't own a bike seven years ago. Now Beth Potter is the top female triathlete in the world and eyeing Olympic glory in Paris this summer