expressed his opinion on Twitter that Fabio Aru of rival team missed the Giro del Trentino not because of illness as it was announced, but because he had an ongoing investigation into his biological passport for doping. Henderson apologised shortly after. He competed in the 2016 Tour de France. In August 2017 Henderson announced his retirement from competition, having competed in his last race, the 2017 Colorado Classic, and indicated that he would move into full-time coaching, having trained athletes since 2014. The following month he was announced as Endurance Performance Director for USA Cycling. Personal life He is married to the Australian cyclist Katie Mactier. He has a bachelor's degree in Physical Education from the University of Otago. Major results Road 1996 1st Time trial, National Road Championships 1997 1st Time trial, National Under-23 Road Championships 1998 1st Time trial, National Under-23 Road Championships 1999 1st National Criterium Championships Tour of Wellington 1st Stages 3 & 10 2000 1st Stage 2 Tour of Wellington National Road Championships 2nd Road race 2nd Time trial 2nd Omloop van de Vlaamse Scheldeboorden 2001 1st National Criterium Championships 1st Stage 5 Bay Classic Series 2002 1st Tour de Loveland 10th First Union Invitational 2003 1st Stage 7 Tour of Southland 2004 1st National Criterium Championships Tour of Southland 1st Points classification 1st Stages 1 (TTT), 8 & 10 2005 1st National Criterium Championships 1st Wachovia Invitational International Tour de Toona 1st Points classification 1st Stages 2 & 7 1st Sprints classification Tour de Georgia 5th Overall Tour of Southland 1st Stages 1 (TTT), 4, 9 & 10 2006 1st Philadelphia International Championship 1st Reading Classic 1st Stage 7 Tour of Wellington 1st Stage 5 Tour of Southland 2nd Overall Bay Classic Series 1st Stage 1 6th Road race, Commonwealth Games 2007 5th Overall Tour of Qatar 2008 Tour de Georgia 1st Sprints classification 1st Stages 3 & 7 7th Scheldeprijs 2009 1st Clásica de Almería 1st Stage 3 Vuelta a España 1st Stage 2 Vuelta a Murcia 1st Stage 7 Volta a Catalunya 2nd Philadelphia International Championship 5th Overall Three Days of De Panne 2010 1st Down Under Classic Tour of Southland 1st Stages 1 (TTT), 4 & 9 1st Stage 1 Paris–Nice 1st Stage 3 Ster Elektrotoer 1st Stage 4 Eneco Tour 2nd Overall Bay Classic Series 1st Stage 2 3rd Overall Tour Down Under 3rd Overall Tour of Britain 1st Points