After eleven years on the circuit, I have seen how demanding a race weekend is...

https://juliussinterestinginsight.image-perth.org/what-does-a-500-mile-race-do-to-your-body-the-reality-behind-the-cockpit

After eleven years on the circuit, I have seen how demanding a race weekend is on the body. Drivers face 120-degree cockpit temperatures and five to ten pounds of sweat loss during a single event