Deportivo Cali Harold Preciado would start his senior career with top tier club
Deportivo Cali in the
2013 Categoría Primera A season. The following season he was loaned out to second tier club
Jaguares de Córdoba where he immediately established himself as a vital member of their team, going on to win the division title and promotion with them. This saw Deportivo Cali incorporate Harold back into the team and he would immediately repay them by winning the
2015 Categoría Primera A: Apertura for them.
Shenzhen FC On 7 February 2017, Harold joined second tier Chinese football club
Shenzhen FC for the start of the
2017 China League One campaign. In his debut appearance he would score a hat-trick on 12 March 2017 against
Dalian Transcendence F.C. in a league game that ended in a 6-0 victory. At the end of the campaign he would personally be the top goalscorer in the division. The following season he was able to maintain his form and go on to gain promotion with Shenzhen to the top tier at the end of the
2018 China League One campaign.
Return to Deportivo Cali On 10 July 2021, Preciado returned to Deportivo Cali. He made his debut on 17 July in a match against
Santa Fe. He finished the tournament as the top scorer with 13 goals, securing Cali's tenth league title.
Santos Laguna On 29 January 2022, Preciado joined Mexican club
Santos Laguna. On 6 March 2024, Mexico's Anti-Doping Committee provisionally suspended Preciado for alleged doping. Six months later, Santos Laguna terminated the player's contract following the confirmation of his failed drug test. On 7 March 2025, Preciado was issued a three-year ban for doping offenses. ==International career==