The 2014 Sylvania 300 was a NASCAR Sprint Cup Series stock car race that was held on September 21, 2014, at New Hampshire Motor Speedway in Loudon, New Hampshire. Contested over 303 laps, it was the 28th race of the 36 2014 NASCAR Sprint Cup Series season and second race of the ten race Chase for the Sprint Cup. Joey Logano scored his seventh career victory. Kyle Larson finished second while Kevin Harvick, Jamie McMurray, and Jimmie Johnson rounded out the top five. The top rookies of the race were Kyle Larson (2nd), Austin Dillon (11th), and Justin Allgaier (20th).

The ISM Connect 300 was a Monster Energy NASCAR Cup Series stock car race that was 317.4 miles (510.8 km), traditionally held in mid-September at the New Hampshire Motor Speedway in Loudon, New Hampshire, the other one being the Ambetter 301 in July.