View Comments SAN ANGELO — This fall, airplanes will duel at speeds of up to 250 mph, flying just feet above the ground in San Angelo during the air racing championship, Air Race 1. Here is everything you need to know about the air races coming to Mathis Field this October. What is Air Race 1? The event is similar to a NASCAR race in that 6-8 planes race simultaneously. "Air Race 1 is the first official international series of formula one air racing, where airplanes compete against each other at speeds of over 450 kph on a tight circuit just 10 meters above the ground," a news release stated.