What are the disqualifications for Olympic javelin?

Disqualifications in Olympic javelin can occur for several reasons, including failing to adhere to the correct throwing technique, such as stepping over the foul line during the throw or failing to release the javelin within the designated sector. Additionally, if the athlete's javelin lands outside the marked landing area or if they do not meet the minimum distance requirement, their throw may be considered invalid. Furthermore, any unsportsmanlike behavior or violation of competition rules can also lead to disqualification.