Who attempts a solo BG in winter? Stuart Walker does.
"A solo unsupported winter Bob Graham is probably as antisocial as running gets, but it's something I've wanted to have a crack at for a long time. I finally had my opportunity last week and I gave it a decent go. It didn't quite happen and I ended up descending from Great Calva after I ran out of torch, but it was a great adventure!"
Put the kettle on and read about it here.