Last day to register at the early bird rate of $25.00 for the Maricopa Mud Run. The 3rd annual Maricopa Mud Run will take place on Saturday, October 24, 2015 from 8:00 am. – 12:00 pm. There will be multiple heats available including competitive, recreational, youth/teen – See more at: http://www.maricopa-az.gov/web/mud-run