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FREE GUIDE: Download “The 5-Day Gut Reset Plan” – our most popular resource
Rapid fatigue in high‑volume marathon blocks, stalled long‑run progression, and declining efficiency late in the race are not training problems. They are marathon running nutrition problems. As a marathon running nutritionist, Jake provides personalised marathon running nutrition plans to achieve elite marathon runningperformance.
5.0 Rating
From 140+ verified reviews
Most marathon runners believe their fitness or technique is the issue. It almost never is. Here is the real problem.
Your energy crashes before the final kilometre
Poor marathon running nutrition means your legs go heavy and your output drops as the kilometres build. Not because you are unfit, but because your marathon running nutrition plan is not built for the demands of the sport.
Your body breaks down instead of recovering
Without the right recovery nutrition, you head into the next training session still damaged from the last. Prolonged muscle soreness and delayed adaptation are signs of underfuelling.
Your decision-making collapses under pressure
Marathon running is as much a cognitive sport as a physical one. When your energy availability drops late in a run, your reaction time, pacing awareness, and mental sharpness deteriorate regardless of how well you have trained.
Clients and parents rave about Jake globally.
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Race day nutrition that peaks at the start line
Your pre race meal, on course fuelling, and post race recovery window are mapped out precisely. Whether you are racing a single event or competing across multiple days, your energy is structured to peak when it matters and rebuild fast when it is done.
Periodised nutrition across the full marathon running season
Pre season, competition phase, and off season each demand a different nutritional approach. Jake’s running specific periodised nutrition plans adjust with your training load and race schedule, so your body is fuelled for every phase.
Plans for every level: From teenagers to professionals
Jake works with junior club runners, competitive teenagers chasing performance breakthroughs, adults, and elite athletes competing at national and international level. Your plan is built around your age, your physiology, your running style, and your specific performance goals.
Jake is a marathon running nutritionist in Sydney who creates personalised, marathon running specific sports nutrition plans engineered to drive peak marathon running performance.
01
He fixes the energy crash, that costs you kilometres
Jake identifies exactly where your marathon running nutrition is failing through a comprehensive clinical assessment. Then he builds a carbohydrate periodisation strategy tailored to your training schedule so your energy holds from the first kilometre to the last.
02
He accelerates your recovery between sessions and races
Jake’s recovery nutrition protocols use precise nutrient timing, anti inflammatory foods, and strategically balanced macronutrients to replenish glycogen, repair muscle tissue, and reduce inflammation so you bounce back faster and reduce your risk of overuse injuries.
03
He keeps your brain sharp when the pressure’s highest
Marathon running demands split second decisions under sustained physical stress. Jake integrates cognition supporting nutrients including omega‑3s, B vitamins, and precise hydration timing to keep your reaction speed, focus, and pacing decisions sharp.
Marathon running nutrition coaching is influenced by a few key factors:
Jake Biggs
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Yes, junior and teenage marathon running nutrition is one of Jake’s core specialities. Young runners carry the dual demands of physical development and high mileage endurance training, and most are under fuelling without realising it. Jake builds personalised marathon nutrition plans for junior runners that support healthy growth and performance simultaneously, with strategies tailored around their training load, weekly mileage, race calendar, and age specific physiology.
No. Jake works with marathon runners at every level, from junior athletes just finding their rhythm to elite competitors racing nationally and internationally. What matters is that you are serious about improving your performance and want a science backed approach to get there.
Your 60 minute consultation covers a full clinical assessment of your current nutrition across training, run sessions, and recovery. Jake evaluates your macronutrient ratios, meal timing, hydration, and the specific fuelling demands of your weekly running schedule. You leave with a personalised marathon running performance nutrition blueprint, not a generic meal plan, built around your goals, your body, and your running profile.
Jake combines expert knowledge with extensive experience working with both teenagers and elite athletes. He has worked with high‑performance marathon runners across squad, state, and national levels, supporting teenagers aiming to compete professionally. Having been immersed in sport his entire life, Jake understands exactly what it takes to achieve optimal performance, combining practical experience with tailored, results‑driven running nutrition strategies.
Jake is globally trusted as a leading marathon running nutritionist for elite performance. He has worked with teenagers, top level runners, and driven athletes across high‑performance and competitive racing environments. His system pinpoints exactly where your nutrition is restricting your performance and gives you the precise steps required to elevate your marathon running performance to its highest level.
