Trail Runner Nation

Caffeine can make you faster, reduce perceived effort, and help you push through fatigue, but there’s no universal dose or strategy. Dr. Neil Clarke explains what the research actually says about caffeine and how endurance athletes can find their own sweet spot.

Ellie Greenwood joins Trail Runner Nation to explore what happens when running stops being about finish lines, PRs, and bib numbers and becomes about adventure again. The conversation looks at how runners can stay motivated, challenged, and deeply connected to the sport even when racing no longer drives them.

Hydration is far more than simply drinking when you're thirsty. Kramer Ammons explains how to build a personalized hydration strategy by understanding sweat rate, carrying methods, pre-hydration, and learning to recognize your body's early warning signs before small problems become race-ending mistakes.

Megan Eckert returns to Trail Runner Nation after an extraordinary stretch in endurance racing, including a third place at Cocadona 250, setting a women's world record at Big's Backyard Ultra and becoming the first woman to run more than 600 miles in six days. She explains why backyard ultras are less about speed and more about solving the strange little puzzle of time, sleep, food, heat, pacing, and decision-making, one hour at a time. The conversation gets into what happens when the body starts swelling after days of effort, how recovery has to be tested carefully, and why a runner's "toolbox" matters more than a perfect race plan. Megan also shares how mantras, gratitude, crew support, short sleep strategies, and breaking huge goals into smaller chunks helped her keep moving when the mental fog rolled in. The big takeaway is that toughness is not always loud or dramatic. Sometimes it looks like patience, curiosity, a good crew, and the willingness to step back into the corral one more time. Links: SharmanUltra Coaching - Megan Previous Episode with Megan: EP 685: Running in Circles - Backyard Ultras Episode Sponsors: Tifosi Optics - CLARITY ON THE TRAIL: Post your Golden Nugget of wisdom that helps you recover after a huge effort on Instagram, tag @TifosiOptics, @TrailRunnerNation, and use the hashtag #ClarityOnTheTrail. OR try texting us (within the USA) with your tip: 916-235-3928. If we use yours on a weekly episode, you get a pair of the new Sanctum SL glasses! Peluva - Footwear that let your feet be feet. Get 10% off on our DEALS page Timestamps 00:00 | Megan Eckert's 600-Mile Breakthrough Scott introduces Megan's recent accomplishments, including her Big's Backyard Ultra world record and becoming the first woman to run more than 600 miles in six days. 02:10 | What Happens to the Body After 600 Miles Megan describes the swelling, inflammation, and strange physical effects that showed up late in the six-day race. 03:10 | Recovery Is Not a Formula She explains how recovery depends on the race, the body's feedback, heart rate, feet, legs, and the willingness to test movement and back off when needed. 04:14 | How Backyard Ultras Actually Work Megan breaks down the format: 4.17 miles every hour, starting again and again until only one runner remains. 06:16 | The Race She's Most Proud Of Megan shares why Run Rabbit Run stands out, not because it was perfect, but because she had to work through an off day almost from the beginning. 14:16 | The Tools That Keep You Moving The conversation shifts to mantras, knowing your "why," gratitude, and the mental tools runners build through hard training and bad races. 19:34 | Solving the Puzzle of Time Megan explains why backyard racing fascinates her: it is not about being fastest, but about balancing pace, rest, calories, sleep, and strategy. 25:46 | Training Yourself to Sleep Fast She talks about using an eye mask, lowering heart rate before lying down, and noise-canceling headphones to help the body shut down quickly during long races. 27:55 | Why Women Are Thriving in Long Events Megan reflects on the growing participation of women in backyard and multi-day racing and why the format creates a welcoming space for many types of runners. 31:15 | Why Crew Becomes Critical Megan explains how sleep deprivation affects decision-making and why crew support becomes essential in the later stages of multi-day races. 35:16 | The Dark Places in a Six-Day Race She describes the strange feeling of being between two shores, unable to see where you started or where you are going, and how her crew helped her regain perspective. 43:30 | Coaching for Backyard Ultras vs. 50Ks Megan explains how training shifts for backyard races, with more emphasis on time on feet, double days, and learning to run when you do not feel like running. 47:00 | Sleep Deprivation and Trial-and-Error The group discusses whether sleep deprivation can really be trained, and Megan explains why her best sleep strategy is built around longer 45- to 90-minute cycles. 52:00 | What's Next for Megan Megan talks about taking on Cocodona 250 and applying what she has learned from looped and timed events to a very different kind of trail challenge. 55:13 | Who Should Try a Backyard Ultra? Megan closes with a simple message: the best attribute is curiosity, because you never know what you are capable of until you show up.