Race car drivers have no choice but to urinate in their suits if they can't wait until the end of the race, as there are no bathroom breaks in top-tier motorsports like Formula 1 or NASCAR . While it may sound unglamorous, it is often a matter of safety; a full bladder under high G-forces can lead to serious internal injury in the event of a crash. How They Handle "Nature's Call" In-Car Hydration and Urination Systems for Race Car Drivers