Harrows Marathon Blue Dart Flights. The world beating concept. 33% thicker flights, for extra strength and rigidity. These anti glare marathon standard shape Dart Flights come with a plain Blue background and feature Harrows Marathon text across 2 of the edges. Each pack contains 3 flights. Harrows Marathon Black Dart Flights. The World beating concept. 33% Thicker Flights, for extra strength and rigidity. These Anti Glare Marathon Standard Shape Dart Flights come with a plain Black background and feature Harrows Marathon text across 2 of the edges. Each pack contains 3 flights. Harrows Marathon Red Dart Flights. The world beating concept. 33% thicker flights, for extra strength and rigidity. These anti glare marathon standard shape Dart Flights come with a plain Red background and feature Harrows Marathon text across 2 of the edges. Each pack contains 3 flights. Harrows Marathon White Dart Flights. The world beating concept. 33% thicker flights, for extra strength and rigidity. These anti glare marathon Standard shape dart flights come with a plain White background and feature Harrows Marathon text across 2 of the edges. Each pack contains 3 flights.