Coming soon: Grandma's Ninja Training Diary (Leaver & Renz)
Coming soon! Watch for it! Grandma's Ninja Training Diary (Leaver and Renz) Grandma’s Ninja Training Diary is the inspiring true story of a 70-year-old grandmother who dares to dream big—by training for American Ninja Warrior . Teaming up with coach and trainer Brittany Renz, she embarks on a three-year journey to build strength, resilience, flexibility, balance, and endurance—starting from scratch. Told in a dynamic mix of diary entries, coaching insights, and behind-the-scenes reflections, this book chronicles the ups and downs of late-in-life athletic training. From gym workouts to rock climbing, yoga to injury recovery, sleep to mindset—every aspect of the transformation is explored with honesty and humor. Grandma shares what she’s learning; Coach Brittany explains why she’s right—or wrong. Together, they offer a realistic, encouraging look at what it takes to pursue an extraordinary goal at any age. Part training manual, part motivational memoir,...