The 2017 Oxfam Trailwalker is officially underway. The first groups had an early rise for an 8am start on Friday morning and more will be setting off at staggered intervals up to 2pm.

SCMP’s snappers were first on the scene and here’s a selection of images of some of the participants at the starting point in Sai Kung.

Firefighters, vegans, medics, legal eagles ... they’re all on the start line at the Oxfam Trailwalker