Ed McKeever has stormed into the final of the men's kayak single 200m competition.
The 28-year-old canoeist from Bradford-on-Avon, Wiltshire, tipped for a gold medal, led his preliminary heat from the start at Eton Dorney, recording a time of 35.087 seconds.
McKeever then won his semi-final in a time of 35.617, one tenth of a second faster than his main rival, the Canadian Mark de Jonge.
McKeever marked his victory by turning to the grandstands and pumping his fists.
Speaking after his race, McKeever said: "Obviously it's nice to win your semi-final, you get a nice central lane for tomorrow's race and I am really looking forward to it tomorrow.
"I see it's forecast that it's for a headwind tomorrow so that could mean slower times but I have done lots of fitness work over the winter, so hopefully I came out alright."
Britain's Richard Jefferies, 25, from Nottingham, successfully negotiated his heat in the men's 200m single canoe, finishing third behind Russia's Ivan Shtyl and Germany's Sebastian Brendel, but finished sixth in his semi-final and will not contest a medal on Saturday.
Meanwhile, 22-year-old Jess Walker, from Hampton Hill, London, qualified after finishing fourth in her heat in the women's K1 200m, behind Spain's Theresa Portela-Rivas, who won the heat.
In the men's two-man kayak, Liam Heath and Jon Schofield, finished in second place behind the Belarusian pairing.