Downstream

lit up because it was for Sport
Relief and they were pleased
and excited because it was
something dramatic. For us,
the thing was working out
how to do it and make it
interesting and make it work
as entertainment on TV. That
was the challenge, otherwise
it might be boring.
‘When I began my swim it
was unseasonably cold after a
bad summer, and it’s tough.
The cold really tires you out,