11 FROM THE CIRCUIT
News and updates
The latest opening information, events and offers from Harbor Circuit.
NEW Jr GO-KART DEBUT
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Takuma Kids Kart Challenge: August results
August standings from Takuma Sato’s kids karting challenge. The time trials continue.
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Speed Masters 8: August 2026 final results
The final August standings are available in the results below.
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Takuma Kids Kart Challenge Kisarazu: August results
Kisarazu’s standings through the end of August, with 49 participants in total.
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September Speed Masters at Kisarazu
September’s time-attack event welcomes beginners and experienced drivers alike.
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Speed Masters 8: August interim standings
The latest standings during August’s Speed Masters 8 event.
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Takuma Kids Kart Challenge: July results
July standings from Takuma Sato’s kids karting challenge. The time trials continue.
Read updateTakuma Kids Kart Challenge: July results
July standings from Takuma Sato’s kids karting challenge. The time trials continue.
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Speed Masters 5: July results
July’s results, with prizes for the top three in each category.
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Speed Masters 8: August 1–31
Speed Masters 8 runs from August 1 to 31. See the event poster for details.
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