This is the ending moments of Phantom Regiment's show about Joan of Arc where she is burned at the stake. This dramatic moment happens pretty far in the backfield. I had a 1.4x teleconverter on a 70-200 lens and used the Sony A7Riii Clear Image Zoom feature to double the zoom, so effectively 560mm.
SONY ILCE-7RM3, f/4 @ 280 mm, 1/800, ISO 2000, No Flash