The 2026 AU4 Australian Formula 4 Championship features a five-round calendar that focuses on high-speed, technical circuits across Victoria, New South Wales, and South Australia. The season kicked off in May 2026, and the big change this year was the addition of Winton Motor Raceway as Round 1, which replaced Phillip Island from the 2025 schedule.

2026 Calendar:

Round 1: Winton Motor Raceway – May 1–3

Round 2: Sydney Motorsport Park – May 30–31

Round 3: The Bend (West Layout) – July 17–19

Round 4: The Bend – August 21–23

Round 5 (Season Finale): Sydney Motorsport Park – September 11–13