Happy Cat Fitness is a Williamsburg, VA-based trail race organization and coaching service run by Ellen Alexander, offering a variety of trail races, endurance events, and virtual challenges in the parks of Williamsburg, Virginia. Events range from a 9k night race to 24-hour endurance events, with an emphasis on community, fun, and challenging participants of all fitness levels.
Race Day
Jun 27, 2026
Registration opens, price changes, race updates: straight to your inbox.
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Make Race PlanAre you the race director for Night Owl 9k?
Claim this race to manage registration, volunteers, and race-day ops on Endurance HQ.