The Indianapolis Motor Speedway, home of the Indy 500, is a massive racing venue featuring a 2.5-mile (4.23 km) rectangular oval track

. The track layout includes two long straightaways each 0.625 miles (1.006 km), four identical turns each 0.25 miles (0.42 km), and two short straightaways ("short shoots") each 0.125 miles (0.201 km)

. The infield area inside the track is enormous, covering about 253 acres, large enough to fit multiple major landmarks and sports venues simultaneously, such as Yankee Stadium, the White House, and the Roman Colosseum

. The entire Indianapolis Motor Speedway property spans 328 acres

. Seating capacity at the Speedway is over 257,000 permanent seats, with total capacity including the infield reaching around 400,000 spectators, making it the highest-capacity sports venue in the world

. In summary:

• Track length: 2.5 miles (4.23 km) oval
• Infield size: approximately 253 acres
• Total property size: 328 acres
• Permanent seating: 257,000+
• Total capacity including infield: ~400,000

This immense size and capacity make the Indianapolis Motor Speedway one of the largest and most iconic racing venues globally