Do I have to leave the B-Tag on my Bib? Johnny Spriggs November 09, 2016 13:23 Updated Follow Yes, the B-tag must remain on your bib. If it is removed, it may not work and you will not receive a time or a finish. Related articles Can I create a hole in the B-Tag and tie it on? What happens if I leave my timing tag in my hotel room on race day? Comments 0 comments Please sign in to leave a comment.