The National Association for Stock Car Auto Racing IncLate Model Stock Officials Event Staff - Martinsville Speedway The National Association for Stock Car Auto Racing IncLate Model Stock Officials Event Staff - Martinsville Speedwayridgeway, VAThe track annually hosts the NASCAR Cup Series races in the spring and in the fall, the NASCAR Xfinity Series in the fall, the NASCAR Camping World Truck Series in the fall, the NASCAR Whelen Modified Series race in spring, and the ValleyStar Credit Union 300 NASCAR's biggest, richest and most prestigious Late Model Stock Car race. We know the key to our success is our employees and we offer highly competitive salaries, a solid benefits package focused on wellness, and opportunities for you to grow and develop both personally and professionally.