See, I've always known that Scandinavians must be crazy but you, Sir, have taken it to the next level! Congratulations on achieving something absolutely remarkable. I did ride my bike at -12°C but only around town - short distance, low speed. Cannot possibly imagine to do that on ice for 24h straight.
"Life is not a journey to the grave with the intention of arriving safely in one pretty and well preserved piece, but to skid across the line broadside, thoroughly used up, worn out, leaking oil, shouting GERONIMO!"