Examples:

• I'm gonna go get a head start decorating my room.
• We have been overtaken, the head start is gone for good.
• Those from India, in a way, have a head start.
• Can't get too much of a head start, can you?
• Just trying to get a head start on my next class.
• Best thing I can offer you is a head start.
• That will give us a head start until the morning.
• If he doesn't, then... well, at least you got a head start.
• He had a two-day head start to get out of the country.
• I'm pretty sure Mr. Reddington has a head start.