Deena Kastor was a star youth runner with tremendous promise, yet her career almost ended after college, when her competitive method - run as hard as possible, for fear of losing - fostered a frustration and negativity and brought her to the brink of burnout. On the verge of quitting, she took a chance and moved to the high altitudes of Alamosa, Colorado, where legendary coach Joe Vigil had started the first professional distance-running team. There she encountered the idea that would transform her running career: the notion that changing her thinking - shaping her mind to be more encouraging, kind, and resilient - could make her faster than she’d ever imagined possible.

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?"

Grace Henderson has been a star of the US Women’s National Team for ten years, even though she’s only 26. But when she’s sidelined with an injury, a bold new upstart, Phoebe Matthews, takes her spot. Phoebe is everything Grace isn’t—a gregarious jokester who plays with a joy that Grace lost somewhere along the way. The last thing Grace expects is to become friends with benefits with this class clown she sees as her rival.

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.

Oksana Masters was born in Ukraine—in the shadow of Chernobyl—seemingly with the odds stacked against her. She came into the world with one kidney, a partial stomach, six toes on each foot, webbed fingers, no right bicep, and no thumbs. Her left leg was six inches shorter than her right, and she was missing both tibias.

Dottir is two-time consecutive CrossFit Games Champion Katrin Davidsdottir's inspiring and poignant memoir. As one of only two women in history to have won the title of “Fittest Woman on Earth” twice, Davidsdottir knows all about the importance of mental and physical strength. She won the title in 2015, backing it up with a second win in 2016, after starting CrossFit in just 2011.

The acclaimed author of Flipped delivers a powerful and healing story that’s perfect for anyone who’s ever thought that something was impossible. Listeners will revel in the story of a girl who puts herself back together - and learns to dream bigger than ever before - after she’s told she’ll never run again. Jessica thinks her life is over when she loses a leg in a car accident. She's not comforted by the news that she'll be able to walk with the help of a prosthetic leg. Who cares about walking when you live to run?

A year ago, she could barely do a push up as she recovered from a spine surgery, one that could have paralyzed her. And now? She’s made the United States’ gymnastics team with her best friend, Emma, just like they’ve both dreamed about since they were kids. She’s on top of the world. The pressure for perfection is higher than ever when horrifying news rips the team apart. Audrey is desperate to advocate for her teammate who has been hurt by the one person they trusted most - but not all the gymnasts are as supportive.

Everyone knows about the dare: Each week, Bryson Keller must date someone new - the first person to ask him out on Monday morning. Few think Bryson can do it. He may be the king of Fairvale Academy, but he's never really dated before. Until a boy asks him out, and everything changes. Kai Sheridan didn't expect Bryson to say yes. So when Bryson agrees to secretly go out with him, Kai is thrown for a loop. But as the days go by, he discovers there's more to Bryson beneath the surface, and dating him begins to feel less like an act and more like the real thing.

Julie Flygare was on an ambitious path to success, entering law school at age 22, when narcolepsy destroyed the neurological boundaries between dreaming and reality in her brain. She faced terrifying hallucinations, paralysis, and excruciating sleepiness, aspects of dream sleep taking place while wide awake. Yet, narcolepsy was a wake-up call for Julie. Her illness propelled her onto a journey she never imagined, from lying paralyzed on her apartment floor to dancing euphorically at a nightclub; from the classrooms of Harvard Medical School to the start line of the Boston Marathon.

World number one tennis star Elin Larsson is in hot pursuit of a record number of Grand Slam titles. But between pressing injuries and growing anxiety, it's starting to feel like her heart isn't in it. Gorgeous rival player Toni Cortes Ruiz bursts onto the scene, chasing her first slam. As their paths keep crossing in big matches, a growing attraction starts to burn between the competitive women. Elin's used to winning - but not when the woman she's falling for is on the other side of the net.

Parker Grant doesn't need 20/20 vision to see right through you. That's why she created the Rules: Don't treat her any differently just because she's blind, and never take advantage. There will be no second chances. Just ask Scott Kilpatrick, the boy who broke her heart. When Scott suddenly reappears in her life after being gone for years, Parker knows there's only one way to react - shun him so hard it hurts. She has enough on her mind already.

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.

Amy Piper is a loser. She’s lost her confidence, her mojo and her way. But one thing she has never lost is her total love for her 13-year-old son, Joey, and for his sake she knows it’s time for a change. But first she has to be brave enough to leave the house. What she needs are friends and an adventure. And when she joins a running group of women who call themselves the Larks, she finds both. Not to mention their inspiring (and rather handsome) coach, Nathan.

As Olympic snowboarder Corey LaCroix and skier Elise Brandies ride the razor's edge between victory and defeat on the slopes, they also face a heat neither of them is prepared for in their safe worlds of snow and ice. The stakes become steeper than any mountain either of them will ever face when legacies and hearts collide at breakneck speed.