Run-up (noun)

The period of preparation or development leading up to an event or action.

Origin:

Early 20th century: from run + up in the sense 'a period of preparation or development before an event or action'.

Examples:

1. The run-up to the presidential election was characterized by intense campaigning.
2. The run-up to the wedding was filled with preparations and final details.
3. The run-up to the launch of the new product involved a lot of research and testing.
4. The run-up to the big game was filled with excitement and anticipation.
5. The run-up to the concert was marked by rehearsals and sound checks.