Takuma Kids Kart Challenge: June results
June standings from Takuma Sato’s kids karting challenge. The time trials continue.
Read update11 FROM THE CIRCUIT
News and updates
The latest opening information, events and offers from Harbor Circuit.
Takuma Kids Kart Challenge Kisarazu: June results
Kisarazu’s standings through the end of June, with 23 participants in total.
Read update
Speed Masters 8: June 2026 final results
The final June standings are available in the results below.
Read update
Kisarazu Masters 5 announced
See the original poster for this Speed Masters event at Kisarazu.
Read update
Summer holiday Kids Kart stamp rally
See the original poster for the summer Kids Kart stamp rally.
Read update
Takuma Kids Kart Challenge Kisarazu: May results
Kisarazu’s standings through the end of May, with 19 participants.
Read update
Speed Masters 5: May results
May’s results, with prizes for the top three in each category.
Read updateTakuma Kids Kart Challenge: May results
May standings from Takuma Sato’s kids karting challenge. The trials have just begun.
Read update
June Speed Masters at Makuhari
Eight categories and a June-only bonus challenge at Makuhari.
Read update
Chiba Citizens’ Day: Monday, June 15
Enjoy karting offers for Chiba Citizens’ Day. Visitors from outside Chiba are welcome too.
Read updateChiba Citizens’ Day: June 15
Enjoy special offers at Harbor Circuit for Chiba Citizens’ Day.
Read update