Is riding a bike good excercise to get in shape for football?

cubsrock2516 asked: I just started riding my bike because i need to get in shape for football. I tried running but im lazy and **** it. Say if I ran a mile, would riding a bike 4 miles be the same? Is it a good idea to ride a bike instead of running?

How do I start off for bike riding?

Midnight Wolf asked: I have a bike that is half mountian bike half road bike. What do I have to do to get starting for riding my bike? For examble I want to ride 20 miles a day. How would I begin training to ride tha far?