Save and Calibrate after a treadmill run disabled?

No

Did you run at least a mile? I tried to calibrate after .25mi and the option was not there.

I have ran all from 3km to 7km and only got the ”Save” option. I used to get the option every time i ran a treadmill run before :/

I have a 945 and after the tm run I got the calibration screen but haven’t since then.

What sensors do you have paired during these runs?

I have it figured out now. Originally go far enough and now I have foot pod and need to get out on an outdoor track to calibrate the foot pod.

thank you 

That's correct, as the 645 will not allow for the Save and Calibrate option when using a footpod. 

Why can't we calibrate when using a Foot Pod? 

Because you should calibrate your footpod (if it needs) and not the watch’s accelerometer 

That doesn't actually work. My foot pod sensor has Auto Calibrate enabled and it's accurate on outdoor Run activities. But distances are always too short on Treadmill activities.