Kammala jumla mai zuwa: A 1950, Kelly <unk> ta amfani da motarsa ta Alta GP, na karshe da aka gina <unk> ya shiga cikin
1950 da 1951 zagaye na Burtaniya na Gasar Cin Kofin Duniya na Formula One. Ba a sanya shi cikin sakamakon tseren biyu ba, ba tare da samun maki na gasar ba, kuma mafi kyawun matsayinsa na grid shi ne na 18, amma juriyarsa da motar Alta GP ta biya a 1952 tare da matsayi na uku a gasar Ulster Trophy a Dundrod. Daga baya aka gyara Alta dinsa don karɓar injin Bristol mai kai tsaye mai sau shida don zama "Irish Racing Automobile". Ya kuma mallaki kuma ya yi tsere da motar motsa jiki ta Jaguar C-Type wacce ya yi tsere da ita a Ireland a "The Curragh", wanda aka sani a duk duniya a matsayin gidan tseren dawakai na Irish, kuma zai iya yin alfahari da samun ba ƙasa da da'irar tseren motoci guda biyu a ƙarshen 1940s da farkon shekarun hamsin. An san shi da kewayen "Short" da kuma "Babban" kewayen, duka biyun sun dauki bakuncin manyan shigarwa kuma sun jawo hankalin mutane da yawa. An fara amfani da gajeren zagaye a cikin 1947 kuma an shirya shi duka don motocin motoci da babura. An yi amfani da shi har zuwa ƙarshen shekarun hamsin, yayin da "Babban" kewaya ya kasance wurin da aka yi wa shahararrun tseren mota na Wakefield Trophy wanda aka gudanar a kowace shekara daga 1949 zuwa 1954. A wani taron Yuni, Kelly ya karya rikodin zagaye, a wannan lokacin yana tuka Maserati. Wannan ita ce motar tsere ta farko da aka gina don yin gasa a Curragh. Har zuwa wannan lokacin shigarwar sun ƙunshi mafi yawan MGs da gida ko garage da aka gina "na musamman". Jama'a sun zama manyan magoya bayan Kelly kuma tabbas ya ba su zanga-zangar tsere mai sauri a wannan ranar. Rikodin da ya kafa a wannan rana ya kasance ba a karya ba har zuwa 1954, lokacin da ya sake farfasa shi da kusan 10 mph, a wannan lokacin a cikin motar motsa jiki ta Ferrari.