In 2004, Guerity made his debut in the ARCA Re/Max Series at Lowe's Motor Speedway, driving the No.
2 Dodge for Cunningham Motorsports with sponsorship from Hantz Group, where he started as 31st but finished in 39th due to a crash.
[3] After not racing in 2007, Guerity attempted to make his NASCAR Nationwide Series debut at Michigan, driving the No.
After taking another year off of racing, Guerity made his NASCAR Camping World Truck Series debut at Charlotte, driving the No.
[5] In 2012, Guerity once again attempted to make his debut in the NASCAR Nationwide Series at Iowa Speedway, this time driving the No.