I did 1200s on a track on Wednesday (hunting season, trails are still closed) and asked my sister to take some videos of me running from different angles so I can see what's going on hoping it will help me to fight my ITB problem.
Here I am running 4x1200 at 4:35ish pace (6:08ish pace) and I will be very very grateful for feedback from my 1.5 readers. I am not going to say what I see because I do not want to influence anyone.
Looked at them in slow motion if it is possible, you can see it better that way. Or how do I make it possible for you to see it in slow motion?