What does it take to return to the top of the ultra running world after major life changes and a “career-ending” surgery? Kaytlyn Gerbin knows. In this episode, Kaytlyn shares her journey from a scientist with a love for the outdoors to a world-class trail and ultra runner. Growing up active but without formal running experience, she discovered her talent in her mid-twenties and quickly fell in love with the 100-mile distance.

Hillary Allen, famously known as the “Hillygoat,” is a world-class ultrarunner celebrated for her fearless climbs on steep, technical terrain. But in 2017, at the peak of her career as the #1 ultrarunner in the world, Hillary faced a life-changing setback: during a race in Norway, she fell 150 feet off a ridge, breaking 14 bones. Doctors told her she’d never run again.

From a council estate on the Isle of Wight to conquering some of Europe’s toughest mountain ultras, Charlotte Fisher’s journey is nothing short of extraordinary. Less than three years ago, she had never run competitively. Today, she’s a full-time ultra runner chasing elite races like UTMB and Western States 100, proving that it’s never too late to find your path.

Emma Wilkinson is a freelance health journalist, ultra runner, mother of three, and co-author of the empowering book Ultra Women: The Trailblazers Defying Sexism in Sport. Emma’s journey into ultra running didn’t begin until her 40s, but once she discovered the joy of going long and slow, there was no turning back.

Lily Canter is ultra runner, women’s running coach, journalist, and passionate advocate for gender equality in sport. As co-author of the groundbreaking book Ultra Women, Lily is helping to challenge outdated narratives and spotlight the women redefining endurance running. Lily didn’t grow up considering herself sporty, but after joining a triathlon club in her 30s, she discovered a love for running that quickly evolved into a passion for ultras.

Tania Carmona is a trailblazing ultrarunner, endurance coach, entrepreneur, and the first Mexican athlete to complete the 5 Deserts Grand Slam. From swimming as a national-level athlete in Mexico to conquering some of the toughest environments on Earth, Tania’s story is one of resilience, reinvention, and relentless curiosity.

Meet Ioana Barbu—an unstoppable ultra runner with big goals, bold energy, and a fierce belief in betting on herself. After winning the Ice Ultra (230km at the Arctic Circle) and the Highland Ultra (125km in the Scottish Highlands) in 2025—each by hours and against stacked fields—Ioana is now going all-in to complete the entire Beyond the Ultimate series in one calendar year. That means racing across jungles, deserts, mountains, and ice—self-funded, self-motivated, and 100% c

In this episode of the Tough Girl Podcast, we’re joined by the incredible Rebecca Devereux — a dedicated mum, a full-time vet, and a passionate trail and ultra runner. Rebecca shares her journey into endurance running, her training highs and lows, and what it took to place third in one of Britain’s most brutal races — the Montane Winter Spine Sprint, a 46-mile challenge across the rugged Pennine Way in the depths of winter.

Harriet Frost is a force of energy, endurance, and entrepreneurial grit. From completing the notorious Arc of Attrition 100-mile ultra twice, to directing multiple trail races, to co-founding a menstrual cup company focused on sustainable period care for athletes — Harriet is redefining what it means to pursue hard things, in business and on the trail.

Rahema Mamodo is a mum of three, a passionate runner, and a trailblazer for women in sport. Growing up in Portugal and now based in Birmingh

Dr. Caitlin Massone, ultra-runner, mountaineer, neurologist, and first-time author, sharing the story of her 14-year battle with eating diso

Renee McGregor is a world-renowned sports dietitian, ultra-runner, and advocate for women in sport. With over 20 years of experience working

Charlotte Bowens: Founder of Conscious Gear and trailblazing innovator behind VestaPak, the world's first plus-size hydration vest.