Hobbs was born, in Royal Leamington Spa, England, just months before the outbreak of World War II. His career as an international racing driver spanned 30 years at all levels including in sports cars, touring cars, Indy cars, IMSA, Can-Am and Formula One. He has participated in the Indianapolis 500 and the 24 Hours of Daytona. He made twenty starts in the 24 Hours of Le Mans race, finishing in 8th place at the first attempt in 1962, following with a pole position and a best finish of third (in 1969 and 1984) to his credit.