INDIANAPOLIS—Helio Castroneves won the Indianapolis 500 for a record-equalling fourth time on Sunday, in front of the largest crowd to attend a sporting event in the United States since the start of the COVID-19 pandemic. The 46-year-old Brazilian surged to the front with two laps to go and held off a challenge from hard-charging Spanish young gun Alex Palou to claim victory and join AJ Foyt, Rick Mears and Al Unser as the only four-time winners of the “Greatest Spectacle in Racing”. It was the 21st Indy 500 start for Castroneves but his first with Meyer Shank Racing and just as sweet as his other wins in 2001, 2002 and 2009 with powerhouse outfit Team Penske. Castroneves, known as ‘Spiderman’ celebrated the victory the way he had all his others, parking his car on the front straight and climbing up the protective fencing punching his fist into the air as …