Hamilton bidoro ịgba karat n'afọ 1993, mgbe ọ dị afọ asatọ, na Rye House Kart Circuit wee malite ngwa ngwa merie agbụrụ na Cadet klas. Afọ abụọ ka e mesịrị, ọ gakwuuru onye isi ndị otu McLaren Formula One bụ Ron Dennis maka akwụkwọ edemede, wee gwa ya, "Ndewo. Abụ m Lewis Hamilton. M meriri asọmpi British Championship na otu ụbọchị m chọrọ ịgba ọsọ ụgbọ ala gị. " Dennis dere n'akwụkwọ akwụkwọ edemede ya, "Kpọọ m n'ime afọ itoolu, anyị ga-edozi ihe mgbe ahụ. " Hamilton gbara ọsọ maka Martin Hines's Zip Young Guns Karting Team. Ka ọ na-erule afọ 12, nkà ịkwọ ụgbọala ya dị elu nke na Ladbrokes gbara nzọ, na 40/1, na Hamilton ga-emeri asọmpi Formula One tupu agbụrụ ọzọ nke afọ 23; na 150/1, na ọ ga-emeri asọmpi World Drivers' tupu 25.
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