Samimi finished third in the Boys' Discus Throw with 53.86 meters.
Kazakhstani athlete Maxim Sazhnev won the gold with a best mark of 63.23 meters, setting a new Asian Youth Games record and surpassing the previous best of 62.03 meters.
China’s Jia Kunchuan took silver with 62.40 meters.
The 3rd Asian Youth Games are taking place in Bahrain from Oct. 22 to 31.
The Games serve as qualifiers for the 2026 Youth Olympic Games in Dakar.
Iran has sent 236 athletes to the Games.