Day-of-race registration and bib-number pickup is from 5:30 to 6:15 a.m., and the race starts at 6:30 a.m., Saturday, June 11. $35. The race benefits the CCC Museum at Colossal Cave Mountain Park and the Shyann Kindness Project. Registration includes free admission to the park and a tour of Colossal Cave. Visit taggrunevents.com/events.shtml to register or for more information.