From Longman Dictionary of Contemporary Englishinside trackˌinside ˈtrack noun [countable] 1 DSOthe part of a circular track for racing that is nearest to the centre of the circle and is therefore shorter2 American EnglishADVANTAGE a position that gives someone an advantage over the people they are competing against the inside track to success in business
Examples from the Corpus
inside track• Johnston appears to have the inside track on directing the movie.From Longman Business Dictionaryinside trackˌinside ˈtrack noun [singular] American English if someone has the inside track, they have a position in which they have an advantage and are very likely to be successfulThe consortium now has the inside track for a project valued at more than $1 billion. 