In those days it's not unheard off to , there have been weirder things to happen.
Like the guy who drove the 24 hours of Le Mans .. Solo
https://en.wikipedia.org/wiki/Edward_Ramsden_Hall#Le_Mans
"Hall had entered the 4¼-litre Bentley into the Le Mans 24-hour race in 1936, but the race was cancelled due to economic conditions and labour difficulties. There was a swansong performance for that car, however, when Hall drove it in the second post-war Le Mans 24-hour race in 1950, becoming the first (and only) man to drive solo for the entire distance, despite having a co-driver in the pits ready to take over. He completed 236 laps, which equals to nearly 3,200 km (2,000 miles). When asked by Denis Jenkinson what the toilet arrangements were if he never left the cockpit for 24 hours, Hall replied "Green overalls, old boy!"