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Video: Red Bull Neptune Steps - Gruelling uphill swim back for 2016

The toughest open-water adventure race in the UK returns to Glasgow on Saturday 9 April, featuring 200 athletes all set to take on the challenge of swimming uphill. Red Bull Neptune Steps challenges elite endurance athletes in an adventure race like no other, swimming through 420 metres of cold water, climbing 18 metres over 8 canal lock gates, and pushing participants to their limits in a true test of speed, strength and resolve.

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