From 1990 to 1992, New Hampshire held a second, 250 lap/264.5 miles (425.7 km) Busch Series race in the fall.

During the practice for the 2000 event, Adam Petty died after he lost control of his car after his throttle were stuck wide open going into turn three; Petty's death was caused by a basilar skull fracture from the ensuing impact.

Cup Series driver Kenny Irwin Jr. also died under similar circumstances during the practice of thatlook.com 300, occurring eight weeks later at the same track, leading NASCAR to make significant rule changes to maintain driver safety.

Brad Keselowski and Christopher Bell would later also become repeat winners of the Xfinity Series race at New Hampshire.

[4] On May 21, 2022, it was announced that Crayon Software Experts would be the title sponsor of the Xfinity Series of the race[5] after Ambetter became the title sponsor of the Cup Series race at New Hampshire in 2022 (replacing Foxwoods Resort Casino).