The Thunder Road Stakes is a Grade III American Thoroughbred horse race for horses age four and older, over a distance of 1 mile on the turf held annually in January at Santa Anita Park, Arcadia, California. The event currently carries a purse of $100,000.

The race was inaugurated on 11 February 2004 as a handicap^[1] and was won by Singletary who was ridden by US Hall of Fame jockey Victor Espinoza by a margin of one length in a time of 1:34.42.^[2]

The event was upgraded to a Grade III event for 2009 and was switched to the artificial main track because of weather conditions.^[1]

The event was not run in 2010 or 2012.^[3]

It was downgraded to listed status for 2013 through 2015 but was upgraded back to a Grade III event in 2016. It is currently run under allowance weight conditions with a purse of $100,000.^[1]

Speed record:

• 1:31.78 – Tom's Tribute (2014)

Margins:

• 3+3⁄4 lengths – Hit the Road (2021)

Most wins:

• No horse has won this race more than once.

Most wins by an owner:

• No owner has won this race more than once.

Most wins by a jockey:

• 3 – Victor Espinoza (2004, 2006, 2015)
• 3 – Flavien Prat (2018, 2022, 2023)

Most wins by a trainer:

• 3 – Philip D'Amato (2017, 2022, 2023)

• List of American and Canadian Graded races