Amongst many racing successes, Rowsell won the Merlin Rocket Class Championships at Abersoch Wales in 1978, crewed by Jon Turner, with a series of results which have not been surpassed by any later Champion of the Class.
Amongst numerous racing triumphs, Rowsell claimed the Merlin Rocket Class Championships at Abersoch Wales in 1978, rowed by Jon Turner, with a series of achievements that have not been matched by any subsequent Champion of the Class.