Surf powerboat racers from all over the country have been at Watergate Bay this weekend for the Thundercat National Championships.
The four-metre-long catamarans can reach speeds of up to 60 mph.
It's the second time the national event has been held in Cornwall.
Francesca Carpenter reports on an event that always guarantees high drama:
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Staying dry with sunny spells
Dry with plenty of spring sunshine