Racer at Kennywood: The Möbius-Loop Wooden Classic Since 1927

September 12, 2026

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by tz

The Racer is a classic wooden roller coaster at Kennywood amusement park in West Mifflin, Pennsylvania, that has been racing riders around its dual track since 1927. Designed by legendary coaster engineer John A. Miller and built by Charlie Mach, it replaced an earlier 1910 racing coaster on the same site, using new underfriction wheel technology to allow sharper turns and higher speeds. Philadelphia Toboggan Coasters supplied the trains that still run on it today.

What makes the Racer especially notable among the world’s wooden coasters is its Möbius loop track configuration: rather than two separate side-by-side circuits, both trains actually travel on one continuous connected track, so each train returns to the platform on the opposite side from where it started. This layout makes the Racer one of only two operating wooden coasters in the world built this way, and it has earned lasting recognition as both an ACE Roller Coaster Landmark and a contributing structure within Kennywood’s National Register of Historic Places listing.

Stats at a Glance

  • Park: Kennywood
  • Manufacturer/Builder: Charlie Mach
  • Opened: 1927
  • Height: 72.5 feet
  • Top Speed: 40 mph
  • Length: 4,500 feet
  • Inversions: 0
  • Track Layout: Möbius loop (racing)

The Ride Experience

Riders board one of two side-by-side trains for a head-to-head race that lasts about 1 minute and 32 seconds. After a pair of chain lift hills, the Racer’s 50-foot first drop launches both trains into a series of swooping turns and airtime-filled hills across its 4,500-foot circuit, with the two trains passing back and forth as the Möbius loop layout carries each one to the opposite loading platform from where it departed.

With a top speed of around 40 mph and zero inversions, the Racer relies on its age-old wooden-coaster rattle, close side-by-side racing, and clever track geometry rather than height or speed records to deliver its thrills, making it a favorite for riders who appreciate classic coaster craftsmanship.

History and Legacy

The current Racer opened in 1927 as a replacement for an earlier 1910 racing coaster at the same location, with designer John A. Miller applying his patented underfriction wheel system to allow for faster speeds and tighter curves than had previously been possible on wooden track. It was built by Charlie Mach, while Philadelphia Toboggan Coasters has supplied the trains that carry riders on the ride, and it has operated at Kennywood continuously ever since, making it one of the oldest operating roller coasters in the world.

The Racer’s significance has been formally recognized multiple times: it was named a Pittsburgh Landmark in 1995, is a contributing structure to Kennywood’s National Register of Historic Places district (listed in 1987), and was designated an ACE Roller Coaster Landmark by American Coaster Enthusiasts in June 2010.

Explore more: Explore more classic roller coasters.

Racer Photo Archive: July 2003

These are original ThrillZing photos of the Racer taken at Kennywood on July 30, 2003, restored and upscaled from the original camera files. They show the 1927 Möbius-loop racing coaster’s entrance arch, its station across the lagoon, the twin lift beside Phantom’s Revenge, and trains racing down the parallel drops of the white wooden structure. All photos are free to reuse under a CC BY 4.0 license with credit to ThrillZing and a link to this page.

The Racer entrance sign arch with the crowd below at Kennywood, July 2003
The Racer entrance sign arch with the crowd below at Kennywood, July 30, 2003. Photo: ThrillZing (CC BY 4.0)
The Kennywood Racer name board on the back of a train car at Kennywood, July 2003
The Kennywood Racer name board on the back of a train car at Kennywood, July 30, 2003. Photo: ThrillZing (CC BY 4.0)
The Racer station and queue across the lagoon at Kennywood, July 2003
The Racer station and queue across the lagoon at Kennywood, July 30, 2003. Photo: ThrillZing (CC BY 4.0)
A Racer train diving down one of the twin drops of the white wooden structure at Kennywood, July 2003
A Racer train diving down one of the twin drops of the white wooden structure at Kennywood, July 30, 2003. Photo: ThrillZing (CC BY 4.0)
A Racer train climbing the twin lift with Phantom's Revenge's lift behind at Kennywood, July 2003
A Racer train climbing the twin lift with Phantom’s Revenge’s lift behind at Kennywood, July 30, 2003. Photo: ThrillZing (CC BY 4.0)
Racer's lift hill and twin-track drop above the cafe umbrellas at Kennywood, July 2003
Racer’s lift hill and twin-track drop above the cafe umbrellas at Kennywood, July 30, 2003. Photo: ThrillZing (CC BY 4.0)
A Racer train crossing the white wooden structure at Kennywood, July 2003
A Racer train crossing the white wooden structure at Kennywood, July 30, 2003. Photo: ThrillZing (CC BY 4.0)

Racer FAQs

How old is the Racer at Kennywood?

The Racer opened in 1927, making it nearly a century old and one of the oldest continuously operating roller coasters in the world.

Why is the Racer’s track layout unusual?

The Racer uses a Möbius loop configuration, meaning its two trains actually run on one continuous connected track rather than two separate loops, so each train ends up back at the platform on the opposite side from where it started. It’s one of only two operating wooden coasters worldwide built this way.

Who built the Racer, and how fast does it go?

The Racer was designed by John A. Miller and built by Charlie Mach, with trains supplied by Philadelphia Toboggan Coasters. It reaches a top speed of about 40 mph during its roughly 90-second ride across 4,500 feet of wooden track.

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Photo: Chris Hagerman / CC BY-SA 3.0, via Wikimedia Commons.