Originally Posted by
jethro56
It's your total, include whatever you like. To me trainer miles are the hardest of all. There's the reverse relativity effect to consider. I'll get on the trainer and do an hour workout and when I get off I find the rest of the world has only aged 12 minutes. When actually riding outside, time flies.
This pretty much covers it for me too.
I find miles on a trainer exponentially harder to accomplish than outside.
I focus on time and heart rate (cardio training to improve fitness) when using the trainer. Mileage and speed is secondary.