The Complete Runner’s Day-By-Day Log 12-Month 2025 Planner Calendar

Matt Fitzgerald is an award-winning endurance sports journalist and bestselling author of more than 20 books on running, triathlon, fitness, nutrition, and weight loss, including Brain Training for Runners and Racing Weight. His byline appears regularly in national publications including Men’s Journal, Outside, and Women’s Running. An experienced running and triathlon coach and certified sports nutritionist, Matt serves as a Training Intelligence Specialist for PEAR Sports and as a featured coach on active.com.