set the pace

/S EH1 T DH AH0 P EY0 S/
verb
  1. 1

    To establish the speed for a group to move at, for example in a race.

  2. 2

    To establish a common goal by example.

    โ€œIn May 2003, South Africa set the pace by banning thin plastic bags and imposing a tax on thick ones.โ€

Source: https://en.wiktionary.org/wiki/set%20the%20pace