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What: ISM Connect 300 Where: New Hampshire Motor Speedway, 1.058-mile oval in Loudon, New Hampshire Green flag: 2:15 p.m. ET TV/Radio: NBCSN, NBC Sports App, PRN, SiriusXM NASCAR Radio Forecast: Sunny, with a high near 89. Calm wind becoming west around 5 mph. (Weather.gov) National anthem: Marine Corps Veteran, "The Singing Trooper," Daniel. M. Clark Grand Marshal: Marc Del Vecchio, Chief Technology Officer, ISM Connect Race distance: 300 Laps, 317.4 Miles Pit road speed: 45 mph Caution car speed: 50 mph Stage lengths: Stage 1 ends on Lap 75. Stage 2 ends on Lap 150. Final Stage is scheduled to end on Lap 301.Snapshot: New Hampshire
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