Moulton Harrox dropped points for the first time this season on Saturday.
Ollie Maltby hit the second-half equaliser at Netherton United but they could not maintain the 100 per cent record.
Moulton are three points clear at the top of the Chroma Sport & Trophies Peterborough and District League Premier Division.
Second-placed Whittlesey Athletic edged out Holbeach United Reserves by a single strike.
Pinchbeck United had to settle for a 1-1 draw at home to third-placed Peterborough Sports Reserves with keeper Lea Jordan on top form.
Dan Woods got the second-half leveller but Tony Edwards was dismissed along with Sports’ Dan Fountain.
Matt Cawthorn’s double saw Long Sutton Athletic come from behind to beat Whittlesey Reserves in Division One.
Substitute Martin Sandall struck twice in a 4-1 win for Moulton Harrox Reserves against Peterborough ICA Sports Reserves.
Baston went down 3-0 at Wittering.
Spalding Town overturned a half-time deficit to win 6-3 at Thorney Reserves in Division Two.
On target were Andrew Williams (2), Gavin Bailey, Danny Kingman, Markus Parry and substitute Mark Astley.
Whaplode Drove lost 4-2 away to Huntingdon Rovers in Division Four despite goals from Lee Jackson and Shane Millar.
Warren Skeels claimed a hat-trick as Holbeach Bank won 5-4 at Netherton B. Brett Schlechter and Sam Thompson were also on target.