Since retiring from pro football in 1995, Karl divides his time between family, motivational speaking, and his ongoing charity involvements. Karl and his wife Kathi have three children. The Mecklenburgs still live in Littleton Colorado and attend West Bowles Community Church. In 2001 Karl was inducted into the Denver Broncos Ring of Fame and the Colorado Sports Hall of Fame. He also serves on the Broncos Alumni Council.
In 2006 heformed the Karl Mecklenburg REACH Foundation in an effort to further impact the youth of Colorado. REACH stands for rewarding experiences for all children. A reading program and hands on experiential learning opportunities for Denver area youth develop lifelong passions for learning and a willingness to take on new challenges.
Karl is a member of the National Speakers Association. He has enjoyed speaking to a variety of groups over the years, and his story is both humorous and inspirational. The lessons life in the NFL taught him about teamwork, courage, dedication, desire, honesty and forgiveness, and goal setting can be applied anywhere.
He has hosted a radio show, done television sideline reporting and studio work, written columns for the Denver Post and had magazine articles published. He is the coauthor of Meck For The Defense, published by McGraw-Hill. Look for his new book "Heart of a Student Athlete" coming soon.