Bondz N'Gala was the hero for Barnet as his late goal saw them past Forest Green Rovers 2-1 at the New Lawn to ensure they stay atop the Conference Premier.
Andy Yiadom opened the scoring for the Bees on the rebound after a missed John Akinde penalty before Rob Sinclair equalised on the 88-minute mark. Barnet found the winner deep into injury time when N'Gala headed home.
Nine-man Torquay United lost ground in their quest to keep up the pressure on Barnet as they lost a 4-3 thriller to Telford United, who now sit second from bottom.
Halifax remain in second place after playing out a goalless draw with Braintree Town, while Bristol Rovers edged past Southport courtesy of an early Jake Gosling strike.
Results in full: Altrincham 0-4 Welling United, Braintree Town 0-0 Halifax Town, Dover Athletic 1-0 Alfreton, Forest Green Rovers 1-2 Barnet, Gateshead 1-1 Aldershot, Grimsby Town 3-0 Chester, Lincoln City 2-0 Macclesfield Town, Nuneaton Town 1-2 Dartford, Southport 0-1 Bristol Rovers, Telford United 4-3 Torquay United, Woking 2-3 Kidderminster Harriers, Wrexham 3-0 Eastleigh