He started initially with gymnastics in 1373 and entered the field of martial arts - karate in the year 1374. He did his first international competition in year 2004 in Dubai and won the bronze medal. He was then invited to the national team camp in year 2006 and that same year, he went to the Sanker Cup in Belarus with the national team and achieved third place.He played in the Iranian Super League until year 2012. He was out of tournaments for 4–5 years and started body building. He has been playing in the Emirates World League since year 2016 and then the Spanish and Austrian matches. Currently,[when?] Heidarzad plays in the Emirates League at Al Nasr Club. He is the only Iranian Karate legionary in other countries. Currently, work as a blogger and content contributor at Workout Plan, he specializes in HIIT training, Rehabilitation/injury recovery, Strength and Conditioning, Kickboxing, Body Weight Training, and Weight Training, and practices each discipline himself.