2026 Thailand Super Series Round 4

Round 4 of the 2026 Thailand Super Series is scheduled for 18–20 September 2026 at PETRONAS Sepang International Circuit. The provisional calendar lists Racing Spirit Co., Ltd as the organiser; the series also has a known partnership with SRO Motorsports Group.

Expect a weekend of GT and touring-car racing at Sepang, a major international circuit in Selangor with established visitor facilities and easy access from Kuala Lumpur.

A compact motorsport weekend at PETRONAS Sepang International Circuit with multiple classes from the Thailand Super Series and associated support races.

What makes it worth the trip:

• Racing on a full international circuit with high-speed straights and technical corners that reward setup and driver skill.
• Weekend schedule with practice, qualifying and multiple sprint races giving plenty of on-track action across classes.
• Sepang’s facilities and proximity to Kuala Lumpur make logistics and accommodation straightforward for international visitors.

Best way to experience it:

Arrive Friday for practice and qualifying, pick a grandstand that overlooks a corner and a straight for varied views, and add a paddock or pit-lane walk if available to see teams up close. Use Sepang’s shuttle or circuit signage for parking and transfers.

Good to know: