Twenty years after a deadly crash , experts believe air racing is safer and poised for growth . Last year 's NASCAR Sprint Series drew nearly 70 million unique TV viewers in the United States , according to NASCAR . Air racing has been around since the early 20th century , but few people have seen it . Top U.S. air races include the Reno National Championship Air Races . Red Bull 's air races include events around the world -- two in the U.S .
Twenty years after a deadly crash , experts believe air racing is safer and poised for growth . Air racing has been around since the early 20th century , but few people have seen it . Top U.S. air races include the Reno National Championship Air Races . Red Bull 's air races include events around the world -- two in the U.S .