Drivers face 120-degree cockpit heat and lose 10 pounds of sweat per race....

https://speedwaydigest.com/index.php/news/regional-racing-news/887335-how-recovery-is-redefining-performance-in-motorsports/

Drivers face 120-degree cockpit heat and lose 10 pounds of sweat per race. Recovery is evolving. We look at managing inflammation and travel fatigue, from tinctures with 15-minute onset to modern sleep science. Racing demands more than ever.