2015 Won first Rolex 24 At Daytona.
2014 First full season in the NASCAR Sprint Cup Series. Earned 2014 Sunoco Rookie of the Year on eight Top 5 finishes, 17 Top 10.
2013 First full season in the NASCAR Nationwide Series with 17 top-ten finishes, nine top-five finishes, 8th in the driver championship standings and Rookie of the Year honors. First win in the NASCAR Camping World Truck Series at Rockingham. NASCAR Sprint Cup Series Debut at Charlotte Motor Speedway.
2012 Winner of the Pete Orr Memorial 100 (Larson's first stock car race). First full season in the NASCAR K&N East Series claiming two wins, one pole, seven top-five finishes, 12 top-ten finishes, Rookie of the Year honors and the series championship
2011 22 race wins in the World of Outlaws, American Sprint Car Series and all USAC National Divisions combined. Winner of the Belleville Midget Nationals. Swept the 4-Crown Nationals: Silver Crown, Spint Car and Midget wins at Eldora.
1999 Began racing at the age of seven