A native of Miami Springs, Florida, Coulter started his racing career in 1998 racing go-karts at West Coast Kart way in Naples, Florida. In 1999, Coulter entered the national Karting circuit in the WKA Horstman Gold Cup series while he was still competing in the Florida WKA Championship series. In his first two years of Karting Coulter won over 50 events, winning two state championships. In 2000 Coulter received CJ Marvin Sportsman of the year award. In 2005 he won the Summer Nationals at the G & J Kartway in Camden, Ohio. He also finished second National Championship and won both state championships in Florida running Briggs Junior light and heavy, and also won the Naples championship for the second year in a row.

In late 2005 he ventured into the Florida FASTRUCK racking up 4 top five finishes in his first 5 starts. In 2006 Coulter moved up to the FASTRUCK Pro series competing against more experienced veterans. In Coulters first 8 races in the series he won 4 races ultimately finishing 4th in the final points standings. Coulter started racing stock cars in 2007 entering the USAR Hooters Pro Cup Series. He didn't qualify for his first race at USA International Speedway but was permitted to race anyway and finished with a top 20.

Coulter started gaining attention in 2007 & 2008 by finishing in the top-ten multiple times throughout the Carolinas and Virginia, including top-tens at the 2007 Thanksgiving Classic at Kenly and the Baileys 300 at Martinsville Speedway. Coulter also finished 4th at the Iowa Speedway Pro Cup Championship series event.

2009 was Coulter's rookie season in the ARCA Remax Series. It was met with much success. Coulter accumulated 7 top-five's, 13 top-ten's, 2 Poles, led 156 laps and finished 4th in the Series points. On August 7, 2010 Coulter won his first ARCA Remax Series race The Berlin ARCA 200 at Berlin Raceway beating Patrick Sheltra, leading 54 of the 200 laps in the race.

Richard Childress Racing announced at the end of the 2010 racing season that Coulter would drive a second full-time Camping World Truck Series entry in 2011.

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Wikipedia