The Aerobic Edge

The Aerobic Edge, by PacebuddiesI'm Joost, running coach at Pacebuddies. This podcast is for runners who are tired of cookie-cutter plans and training hard without getting faster.No generic advice. No copy-paste schedules. Just honest, no-nonsense conversations about what actually works — from the SRA cycle to smart pacing, recovery, and real progress.Whether you're training for your first 5K or your tenth marathon, this is coaching that fits your life, your goals, your body.New episodes every two weeks.👉 pacebuddies.com

The Aerobic Edge is a health podcast hosted by Joost Dekker, with 19 episodes on record and a Required Pod Score of 80. PitchCentric scores this show on Booking Probability, Listen Score, and live audience signals refreshed every 24 hours.

Joost Dekker hosts The Aerobic Edge, a health show with 19 episodes published.

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  The Aerobic Edge

  Why "Breathe More Oxygen" Is a Myth: Nasal Breathing, CO2 Tolerance & the Diaphragm | Zack Kramer

  Aug 21, 20261h 1m

  Most runners assume nasal breathing works because it gets you more oxygen. It doesn't — and today's guest explains what's actually going on instead. Zack Kramer, a strength and conditioning coach who rebuilt his practice around breathwork after years in CrossFit, walks through the real mechanism behind nose vs. mouth breathing: it's not oxygen uptake, it's CO2 tolerance.We cover what functional breathing actually looks like day-to-day, why mouth breathing becomes a hidden habit for so many runners, how to train your diaphragm like any other muscle, and a simple pre-run warm-up that speeds up nasal adaptation. Zack also shares his own month-long transition to full-time nasal breathing — including what didn't work.KEY TAKEAWAYS1. Nasal breathing isn't about getting more oxygen in — runners are already near-saturated (95%+). It's about CO2 tolerance, which delays the urge to breathe harder at a given pace.2. Nasal adaptation typically takes about a month of consistent practice; committing fully (24/7, including sleep) speeds it up.3. The diaphragm is a trainable muscle — a tired diaphragm pulls oxygen-rich blood away from your legs and arms before it pulls from anywhere else.4. A short CO2-buildup warm-up (exhale breath holds, ~2 minutes) can shortcut the rough first 5–10 minutes of a run.5. Chronic nasal issues (deviated septum, congestion) are common and manageable with nasal dilators — full nasal breathing isn't an all-or-nothing requirement.* Website / coaching: http://athletebreathcoaching.com* Instagram: https://www.instagram.com/athletebreathcoach/PaceBuddiesWebsite / coaching: http://pacebuddies.com* Instagram: https://www.instagram.com/pace.buddies/* Strava: @pace.buddies Chapters 00:00 Episode preview00:38 Welcome & Zack's background — football to CrossFit to breathwork03:36 Breathwork courses that shaped his approach (Oxygen Advantage, XPT)05:20 What is functional breathing?07:33 Why nasal breathing is so hard to maintain09:46 Why nasal breathing matters — filtration & nervous system14:21 CO2 tolerance introduced15:39 What CO2 actually is, and why tolerance matters18:57 Does CO2 tolerance improve performance?21:31 Adaptation period & living with chronic nasal congestion22:10 Nasal dilators — show and tell25:43 Where to start with a runner28:25 How long does nasal adaptation actually take?30:35 Running with low-intensity nasal breathing problems34:42 The oxygen myth — debunking "mouth breathing = more energy"36:04 Training your diaphragm like a muscle39:03 Why a tired diaphragm steals blood from your legs40:31 Gear demo: the Breather Fit device42:46 Gear demo: the Isocapnic device43:44 How to actually use the devices — sets, reps, progression46:18 Breath training during intervals and rest periods48:12 The pre-run warm-up that speeds up adaptation52:27 Breathing for relaxation and recovery55:09 365-degree breathing technique58:25 How to practice belly, back, and side expansion59:17 Where to find Zack & closing

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  The Aerobic Edge

  Running Technique: Cadence, Foot Strike and What Actually Matters | Paul Mackinnon

  Aug 14, 20261h 1m

  Most runners try to fix their form by chasing numbers — 180 steps per minute, a midfoot landing, a shorter stride. Paul Mackinnon thinks that's the wrong end of the problem.Paul runs The Balanced Runner in Melbourne and has spent close to a decade coaching running technique full time, working with Olympians like Galen Rupp and Brett Robinson alongside recreational runners with sore knees. His argument: cadence and foot strike aren't settings you adjust. They're outcomes of how the rest of your body moves. So he starts at the top — the arms and torso — and lets the legs reorganise underneath.We get into where the 180 rule actually came from, why forcing a foot strike can move an injury rather than fix it, and how he uses an old way / new way comparison so runners can feel a change instead of being told about it.I did a session with Paul before recording this, so some of what you'll hear I felt myself.Paul Mackinnon* Website: https://tbrunner.com* Instagram: https://instagram.com/thebalancedrunnerJoost Dekker — Pace Buddies* Website: https://pacebuddies.com* Free 30-minute consultation: http://pacebuddies.comChapters00:00 Intro00:54 From field hockey to running technique03:04 Canberra, dirt trails, and feet that sounded different04:53 Why physics has to come first06:40 What a first session actually looks like09:11 Feel it before you change it10:33 A word from Pace Buddies11:08 Why top-down instead of chasing cadence12:28 The arm swing: where it starts14:39 How arms change your foot strike17:59 What a good arm swing feels like20:15 Elbows, not hands22:29 Letting the athlete make the choice23:22 Old way, new way26:37 One cue at a time31:11 How long before it becomes a habit34:03 Better is better37:11 Does technique make you faster?39:36 The 800m data, clarified40:51 The 180 cadence rule44:18 Stride length and cadence are two levers47:27 Why your watch data doesn't tell the whole story49:28 Heel, midfoot, forefoot — does it matter?53:49 How to spot overstriding yourself55:59 Where to find Paul1:00:39 Outro

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  The Aerobic Edge

  Lactate as Fuel, Not Waste: The Physiology of Running Fatigue | Dr. Michael Lindinger

  Aug 7, 202647 min

  For a hundred years, runners have blamed "lactic acid" for burning legs and fatigue. It's one of the most persistent myths in sport — and it's wrong.In this episode I talk with Dr. Michael Lindinger, exercise physiologist and former professor at the University of Guelph, who spent decades studying what actually happens to lactate and acid in working muscle. We get into what lactate really is (a fuel your muscles, heart, and brain burn — not a waste product), where the burning sensation actually comes from, why the soreness days after a marathon has nothing to do with lactate, and what "clearing lactate" really means for your training.If you've ever been told your legs were full of lactic acid, this conversation will change how you think about fatigue — and about what your interval sessions are actually building.Note: Dr. Lindinger works in the nutraceutical field; this is disclosed where supplements are discussed.----------------------------------------CHAPTERS 01:48 — Who is Dr. Michael Lindinger03:12 — What lactate actually is (and the 1930s myth)05:34 — The infusion study: lactate as fuel, not waste06:42 — Lactate as an oral supplement and the glucose-sparing effect08:44 — Lactate fuels the whole body — even the brain09:49 — A word from Pace Buddies10:22 — Where lactate is made, and why "anaerobic" is the wrong word12:37 — What really causes fatigue: potassium, sodium, phosphate13:32 — The phosphocreatine system: instant but short-lived16:15 — The burning sensation — cytokines, not lactate19:25 — Why the last 3K of a marathon burns (and it isn't lactate)20:27 — Post-race soreness: damage and inflammation, not lactate21:57 — What "clearing lactate" means when lactate rises23:41 — Fat burning, and why lactate is always being produced24:25 — How the whole body buffers and reuses lactate26:19 — Hitting the wall: running out of glucose27:32 — How fast the body clears lactate after hard efforts29:55 — Hydrogen ions, acidosis, and why lactate isn't "lactic acid"33:43 — Can you train lactate clearing?37:21 — Fast-twitch vs slow-twitch: where the burn happens39:03 — Do buffers work? Bicarbonate, beta-alanine 42:18 — The massage therapist myth43:21 — "Clearing lactate" in plain terms: what training really builds

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  The Aerobic Edge

  How Much Protein Do Runners Actually Need? Dr. Jose Antonio

  Jul 31, 20261h 2m

  Dr. Jose Antonio, co-founder and CEO of the International Society of Sports Nutrition (ISSN), joins The Aerobic Edge to go through what the evidence actually says about protein, buffering supplements, and caffeine for endurance athletes.We cover why the protein-kidney myth persists despite years of contrary data, why most national protein guidelines are too low for anyone trying to race rather than just finish, and why sodium bicarbonate — historically avoided for its GI side effects — deserves a place next to beta-alanine, creatine, nitrate, and caffeine as a serious performance supplement.We also get into the practical side: how to fit more protein into a training day without overhauling your diet, when supplementation timing actually matters and when it's just convenience, and why endurance athletes underestimate how much a central, brain-driven sense of fatigue shapes race-day performance. 00:34 – Origins of the ISSN 06:04 – Debunking the protein-kidney myth 14:03 – How much protein you actually need 20:38 – Amino acids vs. protein shakes 33:07 – The six supplements with real evidence behind them 34:32 – Sodium bicarbonate as a performance buffer 42:09 – Caffeine dosing and timing 44:56 – Central fatigue and race-day mindset 54:55 – Nitrate/beetroot juice 59:20 – Where to find Jose Antonio Guest Links Instagram: @supphd ISSN Instagram: @THE_ISSN ISSN Annual Conference: Jupiter, Florida, every June Want a structured, evidence-based approach to your own training? I coach recreational runners toward their personal best, building real aerobic fitness that shows up on race day. Book a free 30-minute consultation call at pacebuddies.com .

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  Episode #16

  HRV for Runners: What Your Morning Number Actually Means — Marco Altini

  Jul 17, 202655 minS1

  Your HRV dropped after a hard session. Most runners take that as proof they trained hard. Marco Altini says it's proof of the opposite. Marco is the founder of HRV4Training, an advisor at Oura, and an endurance coach. He came to physiology the long way round — from computer science and early wearable prototypes, back to university to study sports science, because he wanted to understand the bodies he was measuring. In this conversation we cover what HRV actually measures, why "higher is better" is wrong, how to build your normal range, morning vs night measurement, what to change when your baseline drops, why a falling HRV in taper week is the good news, and why the data should make you need the data less. Find Marco on Substack, where he writes about HRV, training and coaching. Want structured, evidence-based coaching? Book a free 30-minute call at pacebuddies.com Find Marco: HRV for Training App Marco Altini - Personal Website

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