Us amatuers aren't the only ones racing on auto race tracks.
From this cyclingnews article:
https://www.cyclingnews.com/news/fab...ash-in-zolder/
"
The planned 184km stage 2 from Verviers to Herve was shortened due to devastating floods that have swept through the Netherlands, Belgium and Germany this week. The riders instead contested a 120km stage on the Circuit Zolder motorsport track."