Here's a video that shows a rider dump his prize Africa Twin at low speed on a muddy British lane. The accident takes place at 7:15 of the video. Informative to watch two,then three people try to turn the bike around in a narrow V-shaped ditch.
https://www.youtube.com/watch?v=k82VyvTVDsg
https://www.youtube.com/watch?v=k82VyvTVDsg