Sponsored Walk for MS

I have decided whilst i can still walk (wobble) i may as well do some good with it and have registered to do the Sponsored MS Walk in London, Will i see anyone else from here there? Any tips from experienced plodders? My wife and kid will be with me though i feel i just want to put my headphones on with good montage music and power on through. Link if you're so inclined: https://www.justgiving.com/page/neil-gorton-1709804191319