We had run this 100 car train from the top of the BMHR layout to the bottom and I went back to the top of the layout to take a video
of this "victorious" return of the train to the high ground of the fiddle yard. What I got was a great example of the first cars after the loco falling inward on the curve at the top of the layout..."stringing".
This is why running long trains on a complex layout with rises,falls and serpentine curves is so challenging and fun!