Arlette Laan thru-hiked the NH 4000ers completely unsupported in 11d19h (TH to TH, 11d15h TH to last summit), completed September 15, 2014, as reported below (with link to her TR). "I carried all my food and other supplies for the entire trip and everything was connected on foot," she said. Mats Roing had done a similar "thru-hike" of the 4000ers in 10d12h7m days in 2007, as reported here (Roing called this "Directissima"), but his trip was not completely unsupported. Roing did not carry his camping gear to his first campsite and spent the last night in a B&B when the weather turned bad.
Here's Laan's website: https://arlettelaan.wordpress.com/