The Badwater Duathlon is a bike / hike traverse from Badwater to the top of Mt Whitney. It consists of about 132 miles of road cycling from Badwater (at 266' below sea level) to Whitney Portal (8374') followed by 7 miles (if the Mountaineer's Route is taken) of hiking to the summit of Mt Whitney (14,500'.) Of course you still need to hike back down to the road after doing this!
So far this route has been done solo and without drafting, which makes sense. A team of 2 or more could draft off each other, but allowing fresh cyclists to "pull" a solo rider seems like poor style. Accompaniment on the hike seems fine for supported trips.