What is the average mountain bike speed on a 200 mile trip?

Question

I am planning a 200 mile bike trip from the dallas area to austin. I will be riding a Trek mountian bike with a cruiser crank and knobby tires. I am wondering how long this trip will take. The furthest ive ever biked is about 30 miles all trails.

Answer 1

depends on hills

-straight line 15-25kph

-going down hill 30-50kph

-going up hill 5-10kph.