World of Outlaws Late Model Series UMP Modifieds Merrittville Speedway is a 3/8 mile dirt short track motor racing oval, located 20 minutes west of Niagara Falls, in Thorold, Ontario, Canada.

[1] The track hosts a weekly Saturday night program that runs from April to September each year and features stock car, sprint car and modified races.

[3][4] New ownership took over the track in 2017 and it celebrated its seventieth anniversary in 2021.

[5][6] The tracks weekly racing program features six classes of racing:[7] The track has also regularly featured touring series including the Super DIRTcar Series, World of Outlaws Late Model Series, UMP Modifieds, DIRTcar Sportsman Series, Action Sprint Tour, Southern Ontario Sprints, Empire Super Sprints and the Patriot Sprint Tour.

[8] The track also hosts a weekly karting series on Tuesday nights.