DAN Sadler scored a hat-trick of tries as Wallingford beat Slough 37-20 away in Southern Counties North.
David Baxter and Ian Jeffreys also crossed for the high-flying visitors, with Jack Edwards slotting three conversions and Jackson Sayce kicking two penalties.
Bicester made it four wins in a row when beating Reading 17-12 away.
Littlemore lost 24-8 at home to High Wycombe.
Ben Symington crossed for the hosts, with Stewart Beale kicking a penalty.
In Southern Counties South, Ben Davies and Alex McCarthy both scored two tries as Grove beat Devizes 44-18 at home.
Ben Lloyd Jones, Guy Nicholl and Ben Law also crossed, with McCarthy kicking three conversions and a penalty.
Meanwhile, Jack Taylor ran in four tries as Wheatley raced to a dominant 61-13 victory at bottom side Risborough in the BB&O Premier.
Dan Rule, James Buttler, Sean Brook, Alex Gabbidon and Sanda Mpanza also crossed in a commanding performance.
Aaron Laman converted eight of Wheatley’s nine tries.
Second-placed Oxford crossed six times when beating Bletchley 34-0.
Craig Boyce, Jack Savage, Danny Williams, Ben Harden, Matt Dye and Josh Morris dived over, with Shane Turner adding two conversions.
Third-placed Gosford All Blacks beat Drifters 29-22 at home.
Didcot were also victorious, earning a 39-10 win at Hungerford.
In the Championship, Harwell suffered a 45-5 defeat at Berkshire Shire Hall, while Abingdon were handed a walkover by Winslow.
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