'Course' in the Bible

And while John was completing his course, he kept saying, ‘What do you suppose that I am? I am not He. But behold, one is coming after me the sandals of whose feet I am not worthy to untie.’

So putting out to sea from Troas, we ran a straight course to Samothrace, and on the day following to Neapolis;

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

When we had parted from them and had set sail, we ran a straight course to Cos and the next day to Rhodes and from there to Patara;