'Course' in the Bible

And as John was fulfilling his course, he said, What suppose ye that I am? I am not he . But behold, there cometh one after me the shoes of whose feet I am not worthy to unloose.

Setting sail therefore from Troas, we made a straight course to Samothrace, and the day following to Neapolis;

But I hold not my life of any account as dear unto myself, so that I may accomplish my course, and the ministry which I received from the Lord Jesus, to testify the gospel of the grace of God.

And when it came to pass that were parted from them and had set sail, we came with a straight course unto Cos, and the next day unto Rhodes, and from thence unto Patara: