The Muds to Suds, Whatcom Events muddy obstacle-course race at Hovander Homestead Park in Ferndale, has sold out with 1,400 participants.

The event, which will be at 11 a.m. Sunday, Sept. 23, will have a stand-by list for racers not yet involved. To get on the list send an email to mudrace@skitosea.com with the words STAND-BY in the subject line.

Vendor booths for the 2.5-mile race have also sold out.

For more information, go to mudstosuds.com.