Customer Care

Eco Fun Challenge is committed to creating a fun and 100% hassle free race experience.  We want you to come back year after year to our events.  We realize this will only happen by providing a well thought out event that takes into consideration all the little necessary details to enhance your experience.

In order to better assist you, we have set up a Customer Care Department to handle your questions, concerns or issues.  Please email us  We are available Monday-Friday (PST) from 9AM-5PM.

IRVINE LAKE MUD RUN 2020 REGISTRATION-- Saturday, March 14, 2020

Irvine Lake Mud Run - Saturday, March 14, 2020



Please check back for updated wave times.

  • 10AM - TIMED TEAMS 64%
  • 11AM - Non-Timed Individ. 48%
  • NOON - Non Timed Teams 86%
  • 12:30PM - KIDS MUD PUDDLES 28%
  • 1:00 pm Untimed Teams and Individuals 14%

Any category that is 100% full cannot be REGISTERED into at the current price level, as it is sold out for the current price tier. Spaces will become available at the next price tier until sold out.This table is UPDATED periodically and any category may be closed without notice due to varying registration patterns. Race numbers/bibs will be given out in your packet that will be coded for each wave starting time. Every participant MUST wear this to enter the starting line area. Anyone without the race number/bib for their wave time will not be allowed into the starting line queue.

If you are wanting to join a team that is in a full wave, you have the option of moving the existing team members to one of the open waves, or waiting until space becomes available at the nest price tier. If you add to a team at a different time, this will be treated as a new separate team and you will be assigned wave bib numbers base on this and will not be participating with the rest of the team. To move the team time, the Team Captain will contact