Richard Hendrix was raised in Athens, Alabama, born the son of two educators. He began his athletic career at the young age of five by playing basketball for the local recreation center. He played soccer, tennis, baseball and football on a competitive level where he was considered a standout on his respective teams. Hendrix attended Athens High School, the same high school that produced NFLpro bowlerPhilip Rivers. At Athens High he was a four-year starter on the varsity basketball team, where he was coached by his father, Venard Hendrix. He was named 5A Player of the Year and selected as Alabama Mr. Basketball in 2005. Hendrix finished his career 92 double-doubles, nine triple doubles, and two quadruple doubles. Hendrix scored 2,915 points in his career and currently holds Alabama high school state records for career rebounds and blocked shots. Hendrix is considered one of the most decorated prep basketball players in Alabama high school history. He was selected as a two-time Parade All-American and as a participant in the 2005 McDonald's All-American Boys Game. Hendrix played AAU basketball with the Alabama Lasers Youth Inc. Considered a five-star recruit by Rivals.com, Hendrix was listed as the No. 3 power forward and the No. 9 player in the nation in 2005.
College career
After a decorated high school career, Hendrix chose to attend the University of Alabama over the University of North Carolina. Hendrix teamed up with future NBA player Alonzo Gee and future European professional players Ronald Steele, Chuck Davis, Jermareo Davidson, and Mykal Riley. Under Head CoachMark Gottfried, Hendrix and the Crimson Tide experienced its share of highs and lows. After an All-SEC performance in his junior season, Hendrix decided to forgo his final year of college eligibility and opt for the 2008 NBA draft. Hendrix attained his bachelor's degree in Public Relations during his 3 years at "The Capstone."
On November 14, 2008, the Golden State Warriors assigned Hendrix to play for their minor league affiliate the Bakersfield Jam. His rights were released by the Golden State Warriors on December 18, 2008, ending his tenure with the Jam. On December 28, 2008, Hendrix was acquired by the Dakota Wizards, a National Basketball Association Development League team based in Bismarck, North Dakota. Hendrix led the D-League in total rebounds for the 2008–09 season. He was named to the 2009NBDL All-Star Game on February 3, 2009. Hendrix was selected as a starter on the Red Team and helped lead his team to 113–103 victory. Hendrix finished the game with 11 points, 6 rebounds, 3 steals, and 2 assist in 20 minutes of playing time.
Europe
In July 2009, Hendrix signed a one-year contract with Liga ACB team CB Granada. Hendrix helped lead the club the most wins in club history as a member of the Spanish 1st Division. He was awarded the ACB Rising Star Award as the best newcomer in the Spanish league. On June 30, 2010 Hendrix signed a two-year contract with EuroLeague contenders Tel Aviv. In June 2012, he signed a two-year deal with Italian team Emporio Armani Milano. However, after averaging only 3.7 points and 3 rebounds over 10 games in the EuroLeague season, he was loaned to the Russian team Lokomotiv Kuban Krasnodar for the rest of the season. On July 16, 2013, it was officially confirmed that Lokomotiv Kuban extended a contract with Hendrix for three more seasons. In July 2015, he parted ways with Lokomotiv. On July 23, 2015, Hendrix signed a one-year deal with Spanish club Unicaja. On March 9, 2016, he left Unicaja and signed a deal with his former team Maccabi Tel Aviv until the end of the 2016–17 season. On August 20, 2016, he was released by Maccabi. Two days later, he signed with Spanish club Gran Canaria for the rest of the season. On July 14, 2017, Hendrix signed with Turkish club Galatasaray for the 2017–18 season. On August 19, 2019, he has signed with Osaka Evessa of the B.League. He averaged 16 points, 10 rebounds and 3 assists per game. Hendrix signed with Niigata Albirex BB on June 17, 2020.