THE ACTS OF THE APOSTLES - Chapter 13 - Verse 25
Verse 25. And as john fulfilled his course. As he was engaged in completing his work. His ministry is called a course or race; that which was to be run or completed.
He said, etc. These are not the precise words which the evangelists have recorded, but the sense is the same. See Barnes "Joh 1:20, See Barnes "Mt 3:11".