Well of course as you people say YMMV !

I can only tell you what I have done , and it is limited by the bikes I have owned and rides I had done.

If I lived near such an event , I to would have a crack at it !

I suggest you ask questions on BROL

either here:-


or maybe better still here :-


Although few of them will have built their own recumbent's they will have done similar events on commercial machines.

Some words here :-


Good luck.