Hiyu Yamakoshi

is a Japanese racing driver who currently competes in the FIA Formula 3 Championship for Van Amersfoort Racing.

Yamakoshi previously competed in the 2024 Italian F4 Championship with Van Amersfoort Racing, finishing third. He progressed to the Formula Regional European Championship in 2025 with the team, finishing ninth.

Career

Karting

Yamakoshi entered in two notable karting championships, the 2020 IAME Japan Series in the X30 Junior class where he finished in third, and the 2022 CIK-FIA European Championship in the OK category for IPK Official Racing Team, where he finished in 30th.

Formula 4

Formula 4 UAE Championship 2023 Yamakoshi made his single-seater debut in the 2023 Formula 4 UAE Championship for Pinnacle VAR, he drove in two of the five rounds in the championship at the Kuwait Motor Town, under the Filipino license. After a pointless first round, Yamakoshi acclimated eight points in his second round, and finished 22nd in the championship.

2024 Yamakoshi planned to drive in the final two rounds of the 2024 Formula 4 UAE Championship for Pinnacle Motorsport, but pulled out of the final round due to an injury. He finished the championship in 32nd position.

French F4 Championship

Yamakoshi would compete in the 2023 French F4 Championship for his full-time campaign, where he scored a chain of points in his first two rounds, including a maiden podium at last race of the second round at Magny-Cours and another podium at the first race of the third round at Pau, the next race was a retirement and the final race of the round was points scoring with a maiden fastest lap.

The fourth round at the Spa-Francorchamps was also consistent points-wise. Yamakoshi got second fastest lap of his campaign in the second race, and then in the third race he achieved the best result of his campaign so far, a second place. The fifth round at Misano was forgettable, as he failed to enter the top ten in all three races, with a 17th place, 12th place and a retirement in the final race.

The penultimate round of the championship at Lédenon started poorly with a retirement in the first race, but Yamakoshi would claim another podium in a second race, and would end the round with a fourth place. In the championship finale at Le Castellet, he retired from the first two races but ended his maiden Formula 4 full-time season with a third place finish. Yamakoshi finished the championship in fifth place overall with 146 points.

F4 Spanish Championship

2023

Alongside his French F4 Championship campaign, Yamakoshi would add a second Formula 4 campaign to his schedule, driving for Tecnicar - Fórmula de Campeones in the 2023 F4 Spanish Championship. Yamakoshi scored points in his debut round at the Aragón, with a ninth place in his first race. His second round at Navarro saw him retire from two races and come 14th in the only race of the round he finished.

The rest of Yamakoshi's partial campaign saw him score various points finishes in inferior machinery, as he finished the season in 14th with 19 points.

2024

Yamakoshi partnered up with Monlau Motorsport for the fourth round of the 2024 F4 Spanish Championship at Aragón as a guest driver. Coming eighth in the first race, retiring in the second race and coming 14th in the third race. Since he was a guest driver he was eligible to score points, but was also the highest finishing guest driver by the end of the season.

Italian F4 Championship For 2024, Yamakoshi's main campaign lied in the Italian F4 Championship with Van Amersfoort Racing, where he scored points in all three races in his debut at Misano, with a sixth place and two fourth places.

At Imola Circuit, Yamakoshi claimed pole positions in all three races, he got his first race win in the series at race one, after original race winner Freddie Slater was disqualified due to a technical infringement. Yamakoshi would also win the second race, but came 27th in the third race.

Imola would be the highest point in the series for him, as Slater would dominate the championship, leaving Yamakoshi to settle for podiums instead of fighting for wins. At the third round in Vallelunga Circuit, he came third in all three races, and enjoyed consistent success throughout his campaign, but would become less consistent in the latter half of the season, and scored no points at the final round at Monza, getting narrowly beaten by teammate Jack Beeton for series runner-up by two points. Yamakoshi finished the championship in 3rd place with two wins, three pole positions, three fastest laps, seven podiums and 220 points.

Euro 4 Championship

Yamakoshi also contested the 2024 Euro 4 Championship with Van Amersfoort Racing, where in the first race at Misano, he got a second place and then a win in the second race. He also picked up a second win in the second round at the Red Bull Ring, and would finish the championship in fourth overall, with 89 points.

Formula Regional Formula Regional Middle East Championship Yamakoshi competed in the Formula Regional Middle East Championship at the beginning of 2025, racing with Pinnacle Motorsport.

Formula Regional European Championship In 2025, Yamakoshi moved up to the Formula Regional European Championship, continuing with Van Amersfoort Racing.

In September 2025, Yamakoshi was added to the All Road Management stable run by Nicolas Todt.

GB3 Championship In April 2025, Yamakoshi signed with Hillspeed in a last-minute entry to GB3, where he partook in selected rounds of the championship.

FIA Formula 3 Yamakoshi moved up to Formula 3 in , extending his relationship with Van Amersfoort Racing.

Karting record

Karting career summary

Racing record

Racing career summary

Season Series Team Races Wins Poles F/Laps Podiums Points Position 2023 French F4 Championship FFSA Academy 21 0 0 2 5 146 5th F4 Spanish Championship Tecnicar - Fórmula de Campeones 15 0 0 0 0 19 14th Formula 4 UAE Championship Pinnacle VAR 6 0 0 0 0 8 22nd2024 Italian F4 Championship Van Amersfoort Racing 21 2 3 3 7 2203rd Euro 4 Championship 9 2 0 1 4 89 4th Formula 4 UAE Championship Pinnacle Motorsport 3 0 0 0 0 0 32nd F4 Spanish Championship Monlau Motorsport 3 0 0 0 0 0 NC† 2025 Formula Regional European Championship Van Amersfoort Racing 20 0 0 0 2 86 9thSuper Formula LightsDelightworks Racing 3 0 0 0 0 7 9th Formula Regional Middle East Championship Pinnacle Motorsport 9 0 0 0 0 29 16th GB3 Championship Hillspeed 9 0 0 0 0 121 19thMacau Grand PrixEvans GP 1 0 0 0 0 12th 2026 FIA Formula 3 Championship Van Amersfoort Racing 8 0 1 1 0 32* 8th* Season still in progress.

Complete Formula 4 UAE Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

Complete French F4 Championship results (key) (Races in bold indicate pole position; races in italics indicate fastest lap)

Complete F4 Spanish Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

† As Yamakoshi was a guest driver, he was ineligible for points

Complete Italian F4 Championship results (key) (Races in bold indicate pole position; races in italics indicate fastest lap)

Complete Euro 4 Championship results (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 8 9 DC Points2024 Van Amersfoort Racing MUG1 MUG2 MUG3 RBR1 RBR2 RBR3 MNZ1 MNZ2 MNZ3 4th 89

Complete Formula Regional Middle East Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Entrant 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DC Points 2025 Pinnacle Motorsport YMC11 YMC12 YMC13 YMC21 YMC22 YMC23 DUB1 DUB2 DUB3 YMC31 YMC32 YMC33 LUS1 LUS2 LUS3 16th 29

Complete GB3 Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Season still in progress.

Complete Formula Regional European Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DC Points 2025 Van Amersfoort Racing MIS1 MIS2 SPA1 SPA2 ZAN1 ZAN2 HUN1 HUN2 LEC1 LEC2 IMO1 IMO2 RBR1 RBR2 CAT1 CAT2 HOC1 HOC2 MNZ1 MNZ2 9th 86

Complete Macau Grand Prix results Year Team Car Qualifying Quali Race Main Race 2025 Evans GP Tatuus F3 T-318 16th 16th 12th

Complete Super Formula Lights results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

Complete FIA Formula 3 Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Entrant 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 DC Points 2026 Van Amersfoort Racing MELSPR MELFEA MONSPR MONFEA CATSPR CATFEA RBRSPR RBRFEA SILSPR SILFEA SPASPR SPAFEA HUNSPR HUNFEA MNZSPR MNZFEA MADSPR MADFEA1 MADFEA2 7th* 55* Season still in progress.