There is a whole community of gravel-riding cyclists, seeking monster rides.
https://breckepic.com https://www.epic-series.com/capeepic https://thestartlist.com.au/disciplines/gravel/ - and other affiliated European and African races https://southeastgravel.com - a regional gravel race series https://www.granfondoguide.com/Contents/Index/1324/what-is-a... less competitive, long gravel