home straight

/HH OW1 M S T R EY0 T/
noun
  1. 1

    The straight part of a running track (or similar) leading to the finishing line.

    โ€œHe was only able to get out into the clear coming into the home straight.โ€

  2. 2

    (by extension) The final part of something, especially the final part with respect to time of a long process.

Source: https://en.wiktionary.org/wiki/home%20straight