Mac Para have released details of their first Speed-riding wing 'Whistler' on their website...

http://www.macpara.com/en/product-news/whistler.html 

Check out pilot Jaromir "Yaro" Lahulek "speed riding" in the mountains of Whistler, Canada.

http://www.youtube.com/watch?v=gC_CEbFd0vI 

Details and video link also updated on the Speed-Flying.com Wing guide.