The OSS Bantham Swoosh is on 2nd July 2016. It's a 6km swim in a sandy bottomed estuary in Devon, culminating in a "swoosh" as the ebbing tide is funelled through a narrow section of river, speeding you along over the riverbed at up to four times your usual swimming speed.
A Deadbeat Film
Aerial footage by Flaboy
Music by Rupert Oxlade - Catch you
With thanks to Alpkit and the hundreds of swimmers, locals and volunteers that make this event possible.