Away they go: Six quadrotors zip down a 300-foot straightaway at a Drone Racing League event in Ohio. The drones are small, but they hit 80 mph. Zachry Thayer expected that the competition for ...

Unlike the U.S.-based Drone Racing League (see “Racing Drones,” Dec. 2016/Jan. 2017), which offers many competitions for drones of varying sizes and skills, Freedom is concentrating on just one.