On Wednesday, January 4, 2017 at 7:23:49 PM UTC-8, JS wrote:
Everyone is airborne for practice day 1.
http://www.livetrack24.com/events/WGC2017
Jim

Day one canceled, but the first flying day (today) shows all three classes with racing tasks.
First start gate (15m) opens at 6:30 US Pacific. It's claimed that everyone has trackers.
Jim