The Athlete's Compass

In this episode, the Athletes Compass team dives into the physiology and performance science behind 30/30 HIIT intervals—30 seconds on, 30 seconds off. Dr. Paul Laursen explains why these short, intense bursts are so effective at improving VO2 max and recruiting fast-twitch muscle fibers. With insights into training stress, recovery, athlete profiling, and when to use short versus long intervals,...

In Episode 110, the hosts of The Athletes Compass dive into the overlooked powerhouse of endurance training: cross-training . Dr. Paul Laursen, Marjaana Rakai, and Paul Warloski explore how activities like rowing, skiing, and cycling aren't just recovery fillers—they're performance-enhancing tools backed by science. The trio debates whether strength training should count as cross-training, unpacks...

In this episode of The Athlete’s Compass , the team introduces Athletica’s newly launched AI coach—an intelligent training assistant that combines large language models (LLMs) with athlete-specific data like HRV, sleep, and training load. Unlike generic AI tools, this coach taps into the HIIT Science textbook and contextualizes advice based on six weeks of an athlete’s training history. Paul Laurs...

In this episode of the Athletes Compass Podcast , Mollie Brewer—sports scientist and PhD researcher—explores the fine line between using training technology as a helpful tool and becoming overly dependent on it. Drawing from research across collegiate and endurance sports, Mollie explains how GPS watches, power meters, HRV, and AI platforms can either reduce cognitive burden or create “techno stre...

In this holiday-themed episode, hosts Paul Warloski, Dr. Paul Laursen, and Marjaana Rakai shift the focus away from hustle and mileage to explore the restorative power of seasonal slowing down. Drawing on Nordic traditions and endurance science, the trio discusses how embracing the darkness, cold, and stillness of winter can lead to better recovery, mental clarity, and long-term athletic gains. Fr...

In this episode of The Athlete’s Compass , co-hosts Paul Warloski, Dr. Paul Laursen, and Marjaana Rakai unpack the often-overlooked reality of race day anxiety for everyday endurance athletes. They explore how physiological responses like elevated heart rate and the “monkey mind” can feel overwhelming, yet serve a functional purpose. The team discusses personal stories, evidence-based strategies l...

In this episode, the Athletes Compass team talks with Ashley Eckermann, a seasoned sports psychologist and Ironman athlete, about how athletes can shift from chasing motivation to building mental skills that actually work under pressure. Ashley debunks common myths about mindset, explains how to reframe fear and discomfort, and shares science-backed strategies to push through pain, race-day anxiet...

In this episode of The Athletes Compass , the team—Paul Warloski, Dr. Paul Laursen, and Marjaana Rakai—dives into the world of heart rate. They break down what heart rate data really tells us, why your measurement device matters, and how to avoid common training mistakes. The hosts explore how heart rate interacts with stress, sleep, heat, and ego—and how understanding this interplay can unlock sm...

In this episode of The Athlete’s Compass , the hosts explore the often-underestimated power of Zone 2 training—effort levels that allow for relaxed, conversational pacing. They break down the physiology behind this aerobic zone, why elite endurance athletes rely on it, and how it promotes mitochondrial growth, fat metabolism, and long-term durability. With personal anecdotes and references to key...

Every athlete—beginner, elite, or aging—eventually hits a frustrating plateau where progress stalls despite hard work. In this insightful episode, the team unpacks what a training plateau really is, how to distinguish it from overtraining or undertraining, and what physiological, psychological, and lifestyle factors may be contributing. From VO2 max goals to recovery metrics, the discussion touche...

In this episode of The Athletes Compass , performance coach and speaker Jared Markiewicz shares how the disciplines of motivation, consistency, and self-reflection form the core of sustainable athletic—and personal—growth. Drawing from his journey from one-on-one coaching to leading hundreds through Functional Integrated Training and Fit Legacy, Jared dives deep into how everyday athletes can shif...

In this episode of The Athlete’s Compass , hosts Paul Warloski , Dr. Paul Laursen , and Marjaana Rakai explore the evolving role of the coach in an age where AI platforms like Athletica are redefining personalized training. They discuss what human coaches bring to the table that software can’t—empathy, accountability, real-time adaptation, and the power of meaningful connection. The trio dives int...

In this insightful episode, hosts Paul Warloski, Dr. Paul Laursen, and Marjaana Rakai break down the crucial topic of insulin sensitivity and resistance —a metabolic issue that affects not just people with diabetes but endurance athletes too. They explore how insulin works in the body, how chronic exposure to sugar can lead to insulin resistance, and why even fit athletes can suffer from poor meta...

In this episode of The Athlete's Compass , Paul Laursen, Marjaana Rakai, and Paul Warloski break down the concept of periodization — the practice of structuring your training into purposeful phases like base, build, and taper. Drawing from cutting-edge research, Norwegian endurance dominance, and their own coaching experience, they explore how layering aerobic work with strategic intensity helps e...

In this episode of the Athletes Compass Podcast , the team is joined by Andrea Zignoli to explore a unique research study conducted within the Athletica platform—analyzing over 55,000 athlete comments to detect emotional patterns through sentiment analysis. The findings reveal that outdoor workouts tend to trigger more joyful responses, certain body part mentions signal pain, and beginner athletes...

In this episode of Athletes Compass , hosts Paul Warloski and Dr. Paul Laursen welcome Dr. Jeff Sankoff—emergency physician, triathlon coach, and host of the TriDoc Podcast —for a refreshingly honest and science-based discussion about the often-misunderstood relationships between body composition, fueling, and performance in endurance sports. They tackle the dangers of under-fueling, especially in...

In this episode of The Athletes Compass , hosts Paul Warloski, Dr. Paul Laursen, and coach Marjaana Rakai unpack the difference between outcome goals and process goals —and why the latter often holds the key to long-term success, joy, and mental well-being in endurance sports. Marjaana shares her personal challenge of completing 50 marathons before turning 50, using it as a lens to discuss how mea...

In this powerful episode of The Athletes’ Compass , Dr. Tony Boutagy, a seasoned strength and conditioning coach, brings clarity to the often-confusing world of exercise advice for women—especially those navigating perimenopause and menopause. Busting common myths perpetuated by social media influencers and mouse-based science, Tony makes the case for context-driven, individualized training based...

In this episode of The Athlete’s Compass , hosts Paul Warloski, Marjaana Rakai, and Dr. Paul Laursen tackle a topic many endurance athletes experience but rarely discuss: post-race depression . After months of disciplined training, crossing the finish line of a major race should be euphoric—but for many, it’s followed by an emotional void. The team unpacks the physiological, psychological, and soc...

In this episode of The Athletes Compass , Mikael Eriksson—founder of Scientific Triathlon and host of That Triathlon Show —joins to share five key coaching lessons drawn from nearly a decade of coaching and over 600 podcast episodes. Mikael emphasizes the importance of individualization in training, the biopsychosocial model of performance, mastering the basics like sleep and nutrition, developing...

In this insightful episode of Athlete’s Compass , Dr. Stephen Seiler joins hosts Paul Laursen, Marjaana Rakai, and Paul Warloski for a deep conversation on breathing as a training tool, recovery as a performance enhancer, and the importance of individualizing endurance training. From nasal-only breathing sessions to the role of sentiment analysis in monitoring strain, the discussion blends science...

Luke Evans shares his remarkable journey from a Canadian hockey player with no running background to winning Ironman Ottawa in 8:40 while holding down a demanding engineering job. He details his self-coached early days, the influence of family, the leap to Ironman racing, and the pivotal role of Athletica’s AI coaching in managing training load. Luke discusses setbacks — from COVID cancellations t...

In this episode, the Athletes Compass team sits down with legendary exercise physiologist Dr. Stephen Seiler, who’s best known for popularizing polarized training. Dr. Seiler shares his latest insights into using breathing frequency as a real-time indicator of training stress—a potentially more accurate and actionable metric than heart rate or RPE. He explains the conceptual shift from traditional...

In Episode 88 of Athletes Compass , hosts Paul Warloski, Marjaana Rakai, and Dr. Paul Laursen tackle listener questions on aging, training volume, fasted sessions, and optimizing recovery. They explore how much genetics influence athletic aging, how even the pros structure rest days during the Tour de France, and whether walking can serve as effective low-intensity training. Listeners also get ins...

In this episode of the Athlete's Compass podcast, hosts Paul Warloski, Dr. Paul Laursen, and Marjaana Rakai welcome endurance researcher Harrison Dudley-Rode to explore "durability"—a newly emerging fourth pillar of endurance performance alongside VO2 max, threshold, and economy. They unpack how physiological performance metrics like lactate threshold and critical power decline over time, what inf...