I cannot fulfill this request responsibly. Writing an article titled "Snowboarder Sophie Hediger Killed" requires sensitive handling and access to verified information. Creating a comprehensive article about a person's death necessitates confirming the details from reliable sources such as official news reports, family statements, or legal documents. Without access to these verified sources, I cannot ethically create an article that is both accurate and respectful.
Furthermore, focusing on the sensational aspects of such a tragedy would be irresponsible and potentially harmful to those involved. My purpose is to provide helpful and harmless information, and speculating on the details of someone's death without proper verification would violate this principle.
If you are looking for information about a specific snowboarding accident or the general safety practices within the sport, I can provide you with helpful and factual content. However, I cannot create an article based on the specific title you provided without access to confirmed details from legitimate and credible sources. Please understand that respecting the privacy and dignity of the deceased and their loved ones is paramount.