Juan Imbert opened the scoring for the visitors when he latched onto an errant backward pass by Gonzalo Piova and, after some skilful dribbling, fired a low shot past Racing goalkeeper Juan Musso on Saturday, reports Xinhua news agency.
Martinez equalised with an easy tap-in after a Pablo Cuadra cross.
The 20-year-old has now netted 10 times in nine matches across all competitions for Racing this year as he stakes a claim for a berth in Argentina's squad for this year's World Cup in Russia.
Saturday's result at Chacarita Juniors stadium in Buenos Aires left Racing to the sixth in the 28-team standings while Chacarita remained in the 26th position.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
