"For this coming Sunday's All-Class ride with the Sound Cyclists, the rides are listed (on the NYCC club home page) as follows:
B: 17-17.5 mph, 45 miles
C+ 15-16 mph, 34 miles
C 13-14 mph, 34 miles
D 11-12.5 mph, 28 miles
E: 10-11 mph, 21 miles

Now, memory says that the Sound Cyclists tag rides differently than we do. First off, they offer ""D"" and ""E"" rides.

But speed is my question.

So, for example, is the B-17 ride listed one that will do 17 mph on the flats, like an NYCC B-17 ride should, or is it one that will ""average"" 17 mph (meaning it's more like an NYCC ""A"" ride)?

Similarly, how do the other rides compare with how the NYCC pegs them?

Thanks."