Maybe you want to run some experiments on Zwift. That’s when you’ll need a way to automagically submit power and cadence to the system. Such a device is often known as ANT+ simulator. I’ll not enter in details of the actual set-up unless requested.
You also would hopefully clear the field of drafting effect. Ride a TT bike or enter workout mode or both. Anyway, else in workout mode on a given route, there is no guarantee your avatar will start precisely on the same point. After a lot of mumbling, IMHO, the easiest way is to take screenshots on know points, like a finish line, and manually calculate times. A Strava segment may be an alternative, but then you’re going to skew up your profile adding rides generated by the simulator and NOT by you.
Sure I’m aware of Zwift Insider amazing work on the field. But when I need something directly related to my figure or my equipment or a preferred route? I hope this thread will be here to register data from your tests.
To start the thread, I’m going to paste some messages from an older topic.