inside track

the inside track (an advantageous competitive position) — выгодное положение, преимущество, кратчайший путь к успеху
The owner's son has the inside track for the job.— У сына хозяина самые большие шансы получить эту работу.

get/have the inside track AND be on the inside track (to have an advantage in a competitive situation; -to have a special position within an organization that gives you advantages that other people do not have; to get the advantage over sb because of special connections, special knowledge, or favoritism) — иметь преимущества (например, опыт, связи, информацию, знакомства, дающие преимущество на пути к успеху); {букв.: занимать внутреннюю беговую дорожку}

Example 1: She's going to get the job because she has the inside track. She's the only one with experience.

Example 3: He knows a lot about the company, he's on the inside track.

Example 4: Of the three advisors, Maddie may have the inside track because her personality fits perfectly with the president's.

have the inside track with sb (be close to the person who has power; to have a special relationship with a person that gives you advantages that other people do not have; to get the advantage over sb because of special connections with someone) — быть на особом положении у кого-л.

Example 1: He thinks I have the inside track with the director so he keeps hassling me for information. (CID)

put sb on the inside track — обеспечивать преимущество, ставить в выгодное или выигрышное положение

Example 1: Her relationship with the boss put her on the inside track with the company .
Example 2: Your business experience at Elmhurst will put you on the inside track when it comes to starting your career.

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On race car driving, there are several tracks which are each occupied by a single driver. The driver who is positioned in the track closest to the center of the race course called the inside track has less distance to travel.

see
competitive edge