10.00pm - Read Hayden's latest blog HERE - and watch his Relive and GoPro videos from Stage 11 below. 

7.44pm - The tweets say it all. So much respect for these guys.

7.40pm - Marcus gives us an update on Stage 11 and gives the unsung heroes of the 3 Tours Challenge some very well-deserved recognition.

6.38pm - Really tough day again for the team. 4,000m of climbing over 161km. Tomorrow will be the longest day they have in the saddle...

3.56pm - Perhaps not surprising that a video from Mr Southgate has sparked some serious interest from various sources - expect more to come!

10.00am - There have been some high profile people sending messages of good luck to Geoff and the team and this one will give the guys a huge boost:

9.06am - Don't forget that these guys are away from their families too whilst taking this on - tough.

6.00am - Stage 11. 161 km. Bumpy! Please show you support for these guys - they really are taking on a superhuman challenge for Cure Leukaemia. You can donate HERE and send your messages of support via @3ToursChallenge.