Nothing to do with the Vendée Globe race, Gitana 17, a flying trimaran 32m (104ft) long, took a second start yesterday in an attempt to beat the record for sailing around the world. The weather briefing was presented by Marcel van Triest, the Gitana router, using Wind and Waves forecast on Windy.
http://www.gitana-team.com/en/article.aspx?id=1269
Unfortunately as @kbsali said, they are not willing to share their position data to allow using it with the Windy tracking plugin.