Laura Robinson had a great sprint double at the Kitt Bell Memorial meeting at Grimsby.
There were three heats of the U15 girls 100m, Robinson won the first heat in 13.1 secs.
In the final, Robinson was first in 12.9 secs, second was Wainwright of Doncaster & Stainforth in 13.2 secs, with Hull based Flint third.
Robinson, after the heats of the 200m in which she recorded the fastest time of 26.2 secs, went on to edge out Wainwright again, this time in 26.5 secs - a clear winner, with Wainwright recording 27.2 secs.