McLaren Racing CEO Zak Brown believes that even if the Freedom 250 Grand Prix is a one-off, the event in Washington, D.C. can deliver lasting commercial benefits for IndyCar.<br>During the opening practice session on the 1.7-mile, 7-turn temporary street course that wraps around the National Mall, with the Capitol providing the backdrop, Brown shared  his thoughts with FOX Sports.<br>“This is ...<a class='more' href='https://www.motorsport.com/indycar/news/zak-brown-washington-dc-race-massive-for-indycar-commercially/10848283/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>