Hirobon Archives

Ryo Shirasaki sweeps the Japanese F4 Motegi finale as Kageyama Racing takes the teams' title while Yutaka Toriba wins Independent.

2026 | Japanese F4 | Motegi (Round 7) | Shirasaki completes double as Kageyama Racing clinches Teams’ Championship

Karishma Persad1 day ago5 hours ago019 mins

The 2026 Japanese F4 Championship concluded at Mobility Resort Motegi from 6–8 November, where Ryo Shirasaki completed a dominant season with two further victories, securing the Champion Class Teams’ Championship for HYDRANGEA Kageyama Racing. Meanwhile, Yutaka Toriba claimed victory in the Independent Class finale, although Hirobon had already secured the Drivers’ Championship. Shirasaki entered the…

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Ryo Shirasaki seals the Japanese F4 crown at Autopolis as Hamabe and Kumagai claim maiden victories and Kentaro sweeps both races.

2026 | Japanese F4 | Autopolis (Round 6) | Shirasaki seals historic title as Hamabe and Kumagai take maiden wins

Karishma Persad3 weeks ago5 hours ago018 mins

The 2026 Japanese F4 Championship travelled to Autopolis for Round 6 from 15–18 October, where Ryo Shirasaki secured the Champion Class Drivers’ Championship with one round remaining. Meanwhile, Masaki Hamabe and Kenta Kumagai claimed their maiden victories, while KENTARO completed a dominant weekend in the Independent Class. Shirasaki entered the penultimate round with a 60-point…

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