In 80/20 Running, respected running and fitness expert Matt Fitzgerald introduced his revolutionary training program and explained why doing 80 percent of runs at a lower intensity and just 20 percent at a higher intensity is the best way for runners at all levels - as well as cyclists, triathletes, and even weight-loss seekers - to improve their performance. Now, in this eye-opening follow-up, Fitzgerald teams with Olympic coach Ben Rosario to expand and update the 80/20 program to include ultramarathon training and such popular developments as the use of power meters.

For active women, menopause hits hard. Overnight, your body doesn’t feel like the one you know and love anymore—you’re battling new symptoms, might be gaining weight, losing endurance and strength, and taking longer to bounce back from workouts that used to be easy. The things that have always kept you fit and healthy just seem to stop working the way they used to.

For David Goggins, childhood was a nightmare--poverty, prejudice, and physical abuse colored his days and haunted his nights. But through self-discipline, mental toughness, and hard work, Goggins transformed himself from a depressed, overweight young man with no future into a US Armed Forces icon and one of the world's top endurance athletes. The only man in history to complete elite training as a Navy SEAL, Army Ranger, and Air Force tactical air controller, he went on to set records in numerous endurance events.

Isolated by Mexico's deadly Copper Canyons, the blissful Tarahumara Indians have honed the ability to run hundreds of miles without rest or injury. In a riveting narrative, award-winning journalist and often-injured runner Christopher McDougall sets out to discover their secrets. In the process, he takes his readers from science labs at Harvard to the sun-baked valleys and freezing peaks across North America, where ever-growing numbers of ultra-runners are pushing their bodies to the limit.

Entrepreneur Jesse Itzler chronicles his month of living and extreme fitness training with a Navy SEAL in the New York Times and number one LA Times best seller Living With a Seal, now with two bonus sections. Entrepreneur Jesse Itzler will try almost anything. His life is about being bold and risky. So when Jesse felt himself drifting on autopilot, he hired a rather unconventional trainer to live with him for a month-an accomplished Navy SEAL widely considered to be "the toughest man on the planet"!

As a journalist whose career spans three decades, CNN correspondent Tom Foreman has reported from the heart of war zones, riots, and natural disasters. He has interviewed serial killers and been in the line of fire. But the most terrifying moment of his life didn't occur on the job - it occurred at home, when his 18-year-old daughter asked, "How would you feel about running a marathon with me?"

America's Angriest Trainer, Vinnie Tortorich, exposes the nasty underbelly of the fitness industry while getting you into the best shape of your life. For over 20 years, Vinnie has been Hollywood's go-to guy for celebrities and athletes looking to get fit fast. Now, in this hilarious and often R-rated memoir, he holds nothing back. What's the best piece of fitness equipment money can buy? What's the fastest way to lose weight: diet or exercise? Why are health clubs worse than used car lots? In Fitness Confidential, Vinnie tells all.

After being on yo-yo diets almost all her life, Sue Reynolds was still morbidly obese, but decided to try one more time without much hope for positive results. But this time was different. She was tired of not being able to tie her own shoes, fit in restaurant booths, or walk more than a few feet. She was ready. The Athlete Inside follows Reynolds's journey as she lost 200 pounds and found an athlete hiding inside her body.

At the verge of turning 40, Peter Sagal - brainiac Harvard grad, short, bald Jew with a disposition toward heft, and a sedentary star of public radio - started running seriously. And much to his own surprise, he kept going, faster and further, running 14 marathons and logging tens of thousands of miles on roads, sidewalks, paths, and trails all over the US and the world, including the 2013 Boston Marathon, where he crossed the finish line moments before the bombings.

Matt Fitzgerald has already made a name for himself in the endurance-sport community with books like 80/20 Running, How Bad Do You Want It?, and Iron War. He is an accomplished amateur runner, but if he follows the training, nutrition, and lifestyle of an elite runner, just how fast could he go? He is approaching his mid-40s, so the time to do this is now. He at last has the financial means to do nothing but train.

When Meredith Atwood first shared her journey from tired, overworked wife and mom to successful triathlete, her story resonated with women everywhere, online at SwimBikeMom.com and in the first edition of Triathlon for the Every Woman. Now with her own IRONMAN finishes, experience, and triathlon coaching expertise, Meredith is back with even more wisdom.

Aside from her rock star looks, Catra Corbett is a standout in the running world on her accomplishments alone. And, unbelievably, she's also a former meth addict. After two years of addiction, Catra is busted while selling, and a night in jail is enough to set her straight. She gives up drugs and moves back home with her mother, abandoning her friends, her boyfriend, and the lifestyle that she came to depend on. Her only clean friend pushes her to train for a 10K with him, and surprisingly, she likes it and decides to run her first marathon after that.

A man takes on the challenge of a lifetime after hitting rock bottom. He finds himself divorced, unemployed, and in a deep depression when a degenerative eye condition renders him blind with limited light perception. Feeling a calling to run across America, he dedicated the next two years of his life to prepare for, and ultimately run, more than 3,000 miles from California to New York in less than 60 days, averaging 51.5 miles per day, to log the seventh-fastest transcontinental foot crossing in the history of the world.

Why do people race in Ironmans? Only a person whose good sense was severely impaired would decide to do a race marked by such agony and suffering - a race that makes no sense to normal people. Russell Newell would find out when he signed up for the second oldest Ironman in the country: Lake Placid, in the idyllic Upstate New York village nestled in the Adirondacks. Russell would then question his sanity and test his resolve as he attempted to finish the 2018 Ironman Lake Placid...despite almost drowning, crashing on his bike, and more.

Until five years ago, Alexandra Heminsley was decidedly not a runner. Nor was she athletic in any sense of the word. She was an ordinary, curvy woman who was convinced that sports of any kind, especially running, were beyond her. But she's made running part of her life, and gets to reap the rewards: not just the obvious things, like a touch of weight loss, health and glowing skin, but self-belief, and immeasurable daily pleasure.