How Many Turns Does The Marina Bay Circuit Have In 2025?

The Marina Bay Street Circuit, home of the Singapore Grand Prix, features 19 turns for the 2025 race. This configuration has remained in place since revisions introduced in 2023, when four corners were removed to create a longer straight section. The change reduced the number of turns from 23 to 19, altering the flow of the track while maintaining the unique character of Formula 1’s first night race.

Evolution of the Marina Bay Layout

When Singapore debuted on the Formula 1 calendar in 2008, the Marina Bay Street Circuit was known for its tight, technical layout and a total of 23 corners. The track combined 90-degree bends, heavy braking zones, and flowing sections through the city streets. While it delivered exciting racing and a strong challenge for drivers, it was also physically exhausting due to the sheer volume of turns and the relentless stop-start rhythm.

By 2023, organisers opted to revise the layout for both sporting and logistical reasons. The old sequence of Turns 16 to 19 was removed, with a new straight introduced in its place. This not only cut the total corner count to 19 but also provided a longer flat-out section where overtaking opportunities could be enhanced.

Why the 2023 Changes Were Made

The decision to rework the circuit was based on several key factors:

• Improved overtaking: The new straight increased the chance of drivers making passes under braking, particularly into the following corner.
• Race flow: Reducing the number of tight, low-speed corners helped maintain rhythm and reduced congestion at the back of the field.
• Event logistics: The adjustment created more space for construction works and local infrastructure projects, without losing the distinctive character of the night race.

Drivers generally welcomed the update, noting that while the circuit remained physically demanding, the new straight provided a brief moment of relief during the 61-lap race.

Marina Bay in 2025 and Beyond

The 19-turn layout will continue to define the Marina Bay Street Circuit for the 2025 Singapore Grand Prix and is expected to remain in use for future editions of the event, with the race contracted to Singapore until 2028.

While the reduction from 23 corners may seem small, it has had a measurable impact on lap times, with cars now lapping several seconds quicker than under the old configuration.

Even with fewer corners, Marina Bay continues to test drivers with its combination of heat, humidity, and relentless concentration requirements. The mix of long straights, medium-speed bends, and heavy braking zones ensures that the circuit retains its reputation as one of the most demanding venues on the Formula 1 calendar.

Written by

George Howson

George Howson is an F1 Chronicle contributor and FIA accredited journalist with over 20 years of experience following Formula 1. A member of the AIPS International Sports Press Association, George has covered F1 races at circuits around the world, bringing deep knowledge and first-hand insight to every race report and analysis he writes.

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