So it turns out when you concentrate on body position, kick and stroke, you do actually go faster 
I have to be the laziest swimmer.
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Managed 15 minutes treading water in the sea (Newquay, not Newcastle).
Hopefully that’s my acclimatisation for Helvellyn in 2 weeks.
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I think Ullswater might be a bit colder 
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It will be, but hopefully wetsuit to the rescue 
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