Experience true exhilaration with this high speed blast on the thames your heart will race as you climb into a custom fitted comfy and powerful ribcraft for 20 minutes of adrenaline pumping action reaching top speeds of up to 45 knots as you tear along the renowned river thames with a highly trained skipper at the helm and an entertaining guide on hand to point out the unique sights of the capital this fun and unforgettable experience is guaranteed to please