__comrade__

If you have a road bike already look into buying a trainer (I have a Cycle Ops Hammer) and use it with a program called Zwift. You can ride around a virtual world while watching Netflix or something.

I got hit by a car training for triathlon outdoors and now I do basically all my cycling indoors.

You burn 1900 calories running 2/3 of a marathon. I hardly think you were able to achieve that in an hour playing a VR game.

And the result generally looks more like a square than a circle