Kurtis Marschall

Kurtis Marschall is not mentioned in the provided news articles. The articles primarily focus on Armand Duplantis's victory in the pole vault at the World Athletics Indoor Championships in Torun. Duplantis secured his fourth consecutive gold medal at the event, although he did not break his own world record. One article mentions a close competition with Emmanouil Karalis, while another highlights Simon Ehammer breaking a record in the multi-event competition. Without any mention of Kurtis Marschall, it is impossible to determine his current relevance or significance based on the provided information. Therefore, no information about Marschall can be extracted.