Who doesn’t love a list? These are our pick of the best events from beginner triathlons to the toughest 10k’s.
The Swimmer is a relaxed half-marathon journey from north to south through Londons finest pools, ponds and parks. We start at the natural ponds at Hampstead and finish at Brockwell Lido, stopping to dip in Parliament Hill Lido and the Serpentine. The run takes in Hampstead Heath, Parliament Hill, Primrose Hill, Regent's Park, Hyde Park, Battersea Park, Clapham Common and Brockwell Park.
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