Date of Birth: 
About Sam Mayer (racing driver)
- Sam A.
- Mayer (born June 26, 2003) is an American professional stock car racing driver.
- He is a development driver for GMS Racing and JR Motorsports through Drivers Edge Development.
- He currently competes full-time in the NASCAR K&N Pro Series East, part-time in the NASCAR K&N Pro Series West, and part-time in the ARCA Menards Series driving the No.
- 21 Chevrolet SS for GMS Racing, part-time in the NASCAR Gander Outdoors Truck Series, driving the No.
- 21 Chevrolet Silverado for GMS Racing, and part-time in the NASCAR Whelen All-American Series for JR Motorsports.
- Mayer has also driven for Jefferson Pitts Racing and MDM Motorsports.
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