"10,000 Hours" is a song by American country music duo Dan + Shay and Canadian singer Justin Bieber.

It was released on October 4, 2019, as the lead single from Dan + Shay's fourth studio album, Good Things (2021).

Released four days after Justin and Hailey Bieber's wedding in South Carolina on September 30,[2] the song was written by duo members Dan Smyers and Shay Mooney, Justin Bieber, Poo Bear, Jessie Jo Dillon, and Jordan Reynolds, and produced solely by Smyers.

[5] It also made history on Billboard's Streaming Songs chart by becoming the highest-charting non-holiday country song in the history of the chart, besting the number nine peak of Florida Georgia Line's "Cruise".

[3] On September 29, Dan + Shay began teasing on social media that a track was arriving on October 4.