Registration for the MMM Gravel Grinder will open March 11th 2017 at 9:00 am..
The MMM will allow 2,000 riders to register for the Gravel Grinder.
Registration is only $45 until August 15th.
Registration goes up to $55 on August 16th.
Online registration will close on October 5th, 2017 or when 2,000 riders are reached.
Registration on the day of the event will be $65.