Gibson, 27, was behind the wheel of his black Nissan Skyline GT-R Nismo when it ploughed into three cyclists who had stopped at the side of the road to fix a broken chain.
The cyclist directly hit by Gibson's car received cuts to his legs, elbow and hand and his £4,500 carbon composite bike was written off.
The ex-Manchester United midfielder was said to have driven off at speed before he pulled into a petrol station nearby in his home town of Bowdon, Cheshire, and collided with a petrol pump.
Police were called by a concerned petrol attendant after Gibson then got out of his car with no shoes on and filled his vehicle with fuel on the morning of August 16 .
Today, the Republic of Ireland international entered guilty pleas at Trafford Magistrates' Court to driving with excess alcohol, driving without due care and attention and failing to stop after a accident had occurred.
Chair of the bench Susanne O'Connell told Gibson that the failure to stop offence was "serious enough" to merit a community penalty.
Gibson will speak to the Probation Service at court before sentencing takes place later.
Source : PA
Source: PA