The accident occurred on the second lap of the race, which began at 11:30 a.m. The race is run on a 10-turn course that uses parts of the 2.5-mile triangular oval and parts of roads that intersect the infield.
Goldfarb's car hit a flagstand near turn six of the course, where drivers make a left into the infield after negotiating the tunnel turn portion of the larger triangle.
Terry Hanushek, a Mullica Hill, N.J., native who was chief steward for the race, said Goldfarb's car was traveling in excess of 100 miles per hour when it spun about 90 degrees and left the track sideways.
The car slid through a grassy area without traction - much like Steve Park's car did in an early race crash in last Sunday's Pennsylvania 500 - before hitting the flagstand.
Two workers on the stand were able to leap out of the path of the car. They were not injured.
Goldfarb died of head injuries, according to an SCCA press release. The Monroe County coroner was unavailable for comment Monday.
Hanushek said he believes Goldfarb died instantly. An ambulance was on the scene of the accident less than a minute after it occurred, and paramedics began resuscitation efforts. When a LifeFlight helicopter arrived at the scene, a doctor pronounced Goldfarb dead at the scene.
Goldfarb, a native of Duxbury, Mass., was an experienced race driver.
He was competing in an SCCA National event, the top form of racing the organization sponsors.
He was also president of the Corvettes of Massachusetts Sports Car Club, a 44-year-old organization for sports car racing enthusiasts all over the northeastern United States and Canada.
Goldfarb is survived by his wife, Lisa.
"Our thoughts and prayers go out to Robert Goldfarb's family and friends," SCCA president and CEO Steve Johnson said in a press release. "We have tragically lost another member of our family."
Goldfarb's death is the second in a week in SCCA racing.
Illinois native Robert Kasick, 56, died last Sunday, July 29 at Road America in Elkhart Lake, Wisc.
Kasick suffered a heart attack while driving, and his car left the track at a high rate of speed when he did not slow down entering a turn.
