'Runner' in the Bible

The three sons of Zeruiah were there: Joab, Abishai, and Asahel. Asahel was a fast runner, like one of the wild gazelles.

He called out and told the king.The king said, “If he’s alone, he bears good news.”As the first runner came closer,

Then the watchman observed, "It looks to me that the runner out in front is running like Zadok's son Ahimaaz!" The king replied, "This is a good man bearing good news!"