I'll bump this up again here to try and interest some more riders to join me, 
@Buck, 
@Julia9054, (strongly possibly?) 
@Moodyman and (possibly?) 
@Jameshow...
I have invited a couple of friends to join us but they haven't replied yet. I will give them a nudge soon to see how they feel about it.
This is probably the easiest metric century ride that I do. Here is the elevation profile of last year's route, which we will use again this year:
	
		
			
		
		
	
		
		
	
	
	
		
			
		
		
	
Not 
completely 'pan flat', but about as flat as you will get in Yorkshire! I had no difficulty at all doing this on my singlespeed bike so I would recommend it to anybody who fancies doing a slow, easy, chatty singlespeed or fixed gear ride. If you want to use gears and/or electric motor assistance - no problem.
More riders welcome - don't be square, be there! Express your interest below... 
 
PS I just noticed that 
@Domus hasn't popped in yet... Domus - Fancy joining us again this year?