Sajjadi holds multiple indoor and outdoor national track records for Iran.

[citation needed] On February 23, 2023, his helicopter crashed while visiting Baft county.

Sajjadi ran the men's 5,000 m race at the 1992 Summer Olympics, although he did not qualify past the preliminaries with a time of 14:04.54 (min:sec).

Sajjadi also ran the men's 10,000 metres at the 1996 Summer Olympics, finishing in 29:22.65.

He was at one point nominated by Mahmoud Ahmadinejad to be Iran's sports minister, but he never took up the job.