Nobody got yesterday's Scribbletaku, but then I'm not surprised.
It'll be the last scribble from Mark for a little while -- he's enjoying a well-deserved holiday! Understandably, he had to make it difficult. Maybe a little too difficult.
Nevertheless, since it's the second time around I'll give everyone a little hint. It's definitely sport-related. Some of you picked up on that already, but it doesn't have anything to do with racing. Hope that helps!