Capture. Classify. Correct.

The only thing you need is a tripod (less than $20) and your phone. There is an option to use a makeshift tripod with cardboard. 

All of the above! Improving your running economy (efficiency) will allow you to run more effortless at the same pace or faster. 

If you are classified as bounding (excessive vertical) and/or braking (overstriding) I will offer free solutions. There will also be options for 1-on-1 zoom sessions and/or structured mechanics courses.