This is a sad day. We just lost a very accomplished athlete and circus performer. Besides being a very accomplished acrobat, Sarah Guillot-Guyard was also a mother of two. Some people may believe acrobatics is inherently dangerous(see my recent post: The “dangers of running and the availability heuristic”), but this is the first death of a performer in the entire history of the Cirque du Soleil. There is no such thing as a 100% safe activity.
Her family and friends have my condolences. As terrible as this is, Guyard died doing something she loved.