147: Someone told that to me and we actually looked into it. Pashtus is that the flag-bearer was the only member of the Israeli team who was actually M’challel Shabbos. All you do it walk.
It was on Shabbos, which isn’t really Tishah B’av, but the point still stands. And I didn’t look into this, but someone told me that events with Muslims in them were deferred until night whenever possible or they were as early in the morning as possible before the fast had enough time to really affect them.