SHIRTS AND SHIRT SIZES CAN'T BE GUARANTEED FOR ON-SITE REGISTRATION. Online registration is now closed. Late Registration and Check-In: Friday Night Check-in - from 4:00 - 8:00PM at the Dirt Headquarters Late Registration and Check-In: Saturday Morning Check-in - Race day - Opens at 5:00AM. Headquarters info here: http://danceswithdirt.com/index.php/devilslake-info/race-location More Questions? Please contact us at [email protected]!