Carson attended Saddleback College, and he competed for that school at the 1998 USA Racquetball Intercollegiate Championships, winning the Men's #1 title.

[15] Carson and James Mulcock finished in the quarterfinals at the 2000 USAR National Doubles Championships in Baltimore,[16] where they lost to Todd O'Neill and Derek Robinson, 15–11, 15–13.

First in February 2001 at the Michael Lanning Pro-Am in Minneapolis, he beat Jack Huczek in the quarterfinals, John Ellis in the semi-finals, before losing to Monchik in the final, 12–10, 11–7, 11–5.

[1] Carson won the 2001 Pan American Racquetball Championships in San Pedro Sula, Honduras, where he defeated Canadian Kane Waselenchuk in the final, 15–9, 15–13.

[19] Carson took a step back in 2001–2002, as he didn't reach an IRT final, and was only in one semi-final, which led to a season ending ranking of 7th.

[24] In 2004, Carson won the USAR National Doubles Championships for the first time, when he partnered with Jack Huczek in October in Tempe, Arizona.

[28] He and Huczek also played together in the 2006 USAR National Doubles Championship in October, and they won the title by defeating Andy Hawthorne and Jeff Stark in the final.

[1] As defending champion, Carson was seeded 1st for the 2007 USAR National Singles Championships, but he lost in the semi-finals of eventual winner Mitch Williams.

In that event, Carson defeated Andy Hawthorne in the quarterfinals, Jason Mannino in the semis, and Jack Huczek in the final, 11–3, 7–11, 11–8, 11–6.

[31] Building on his IRT success, Carson defeated Huczek again in the final of the 2008 USAR National Singles Championships, winning the event for a fourth time.

Carson beat Canadian Mike Green, 15–9, 15–9, in the quarterfinals, and Mexican Álvaro Beltrán in the semi-finals, 9–15, 15–7, 11–8, to set up another showdown with countryman Jack Huczek.

[1] Carson lost in the final of the 2010 US National Doubles Championships with partner Josh Tucker to Ben Croft and Mitch Williams, 15–13, 15–8.

[40] Carson was back in the IRT winner's circle in the 2010–2011 season, as he defeated Álvaro Beltrán, 11–2, 11–6, 11–8, in the Chihuahua, Mexico to win the Corona Open.

[1] Carson and Huczek won USAR National Doubles in 2011, as they defeated Chris Crowther and Shane Vanderson in the final, 15–7, 5–15, 11–10.

[44] Carson went to the 2012 World Championships in Santo Domingo, Dominican Republic as the 2 time defending Men's Singles champion.

Carson won one tournament during the 2013–14 IRT season, which was the 23rd Annual Turkey Shoot in Garden City, Kanas, where he defeated Álvaro Beltrán in the final, 11–7, 10–12, 11–4, 1–11, 11–6.

[1] Carson and Rojas teamed up for the 2014 USAR National Doubles Championships, and won the title by defeating his former partner Ben Croft and Thomas Fuhrmann in the final, 12–15, 15–14, 11–3.

[1] Carson's final wins were against Álvaro Beltrán twice – in St. Louis and in Davison, Michigan – and once against Ben Croft in Garden City, Kansas.

He was the defending Pan Am Games gold medalist in Men's singles having won four years earlier in Guadalajara, Mexico.

[1] He defeated Jose Rojas in Davison, Michigan, 11–2, 11–2, 11–8; he beat Álvaro Beltrán in Huber Heights, Ohio, 11–7, 9–11, 11–6, 8–11, 11–9; Carson came back from 0-2 down to win against Daniel De La Rosa in Sarasota, Florida, 5–11, 7–11, 11–8, 11–4, 11–1.

[12] At the 2016 USAR National Doubles Championships, Carson played with Jansen Allen, and they reached the finals by defeating Anthony Herrera and David Horn in the semi-finals, 15–9, 15–3.

[48] He won the 2016 USAR National Singles Championships in Highlands Ranch, Colorado, where Carson defeated Chris Crowther in the semi-finals, 13–15, 15–12, 11–7, and then beat Diaz in the final, 15–10, 15–2.

[49] Those results put Carson on Team USA for the 2016 Racquetball World Championships in Cali, Colombia, where he was the 4-time defending champion in Men's Singles.

In the final, Carson also needed three games to defeat Mexican Daniel De La Rosa, 15–11, 5–15, 11–5, and win his 5th title.

[50] At the 2017 USAR National Singles Championships, Carson won the US Team Qualifying division by defeating Horn in the final, 15–8, 15–7.

They won the championship by defeating Adam Manilla and Nicholas Riffel in the semi-finals, 8–15, 15–13, 11–8, and David Horn and Mauro Rojas in the final, 15–14, 15–8.

They were runners up in Men's Doubles, losing to Mexicans Álvaro Beltrán and Daniel De La Rosa in the final, 10–15, 15–9, 11–2.

Carson and Monchik got to the final by defeating Colombians Sebastian Franco and Mario Mercado in the quarterfinals, 15–11, 15–13, and Canadians Tim Landeryou and Samuel Murray, 15–12, 15–2, in the semi-finals.

Carson got a good start to the 2018–19 IRT season, as he won the opening event in Laurel, Maryland, where he defeated Samuel Murray in the final, 15–7, 15–12.

In the Men's Team event, the USA lost to Mexico in the semi-finals with Carson losing the deciding singles match to Daniel De La Rosa, 3-0.