The Sixth Annual Al Lindstrom Colossal Cave 5K gets under way at 6:30 a.m., Monday, May 27; $35, $30 advance. On-site registration and bib-number pickup are from 5:30 to 6:15 a.m. Registration includes free admission to the park and a tour of Colossal Cave. Visit taggrun.com
to register or for more information.