Daren, I found the “One single unbroken ride of more than 10,000m vertical” here: https://everesting.cc/hells500/
And 8848 unbroken… I was born less than 6 years after Hillary did it.
I’d have to agree with Eric, and yes, I have done a vEverest, too. This will place some undo stress on your body when you don’t need to do so. Too much physical stress can actually weaken your immune system.