I finished a trek on Oahu that took years of training and one failed attempt. Finally successful after 8 days on April 1, 2012. Doing it following the ul philosophy was the only way.
Blog write up: http://www.unrealhawaii.com/2012/05/chase-norton-koolau-summit/
Personal write up: http://www.unrealhawaii.com/wp-content/uploads/2012/05/KST8DThruHike_ChaseNorton.pdf

