Friday, October 27th
Start time noon Eastern time on ESPN 3 in the USA:

http://www.espn.com/watch/_/id/3202487/firefighter-world-challenge-xxvi or check your local TV listings
Outside of the USA:
Saturday, October 28th
Start time 8 AM Eastern time until 12:30 PM in the USA (switch to ESPN 3 at 12:30) and the entire stream will here outside of the USA:

https://livestream.com/xalive/events/7729383
From 12:30 through the end on ESPN 3 in the USA: