United Site Services, Inc

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The United Site Services 70 is a NASCAR K&N Pro Series East race held annually at New Hampshire Motor Speedway, from 1996, 2000, 2013-2014, It was a 105.8-mile (170.3 km) race, Since 2015, It has reduced to 70 laps, 72.1 miles (116.0 km). New Hampshire had held most races at the track for the NASCAR K&N Pro Series East, two Sprint Cup Series races, and one Xfinity Series race.