Tips for Marathon Runners

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    Clair

  • September 26, 2025

Your Marathon Journey: How to Support Your Body from Start to Finish Line

Are you preparing for a marathon this year? Whether it's your very first or you're a seasoned pro chasing a new personal best, the decision to run 26.2 miles is a huge one. It's a journey filled with dedication, sweat, and an incredible sense of accomplishment. But as anyone who has trained for a long-distance event knows, it asks a lot of your body.

To get to that finish line feeling strong and healthy, you need a well-rounded plan. It's not just about clocking up the miles. It's about smart training, nourishing your body with good food, prioritising recovery, and giving yourself that extra support with the right supplements to keep you in top form.

Over the years I have chatted with runners who are at various stages of the running journey, from those just starting their couch-to-5k to well seasoned marathon runners. We have learned what works, what helps, and how to support your body through every stage of training. So, let's talk about how you can build a strong foundation for your marathon journey.

Protect your Joint and Bone Health

As you start to increase your mileage, you might notice a few new aches and pains. It's one of the most common things I hear from runners: "My knees are starting to feel it," or "My hips are so sore after a long run." This makes perfect sense. Running is a high-impact activity, and that repetitive stress can take a toll on your joints, particularly your cartilage-the body's natural shock absorber.

It's so important to listen to your body and take those rest days, but you can also be proactive in supporting your joint health from the inside out. Think of it as essential maintenance for your body's framework. Strong bones, flexible joints, and resilient muscles are absolutely key for running a marathon safely and comfortably.

For comprehensive joint support, it's hard to look past Revive Active Joint Complex. I am delighted to let you know about this one because it truly ticks all the boxes. It's loaded with ten key active ingredients designed to support joint strength, mobility, and recovery. It contains the essentials like Glucosamine, Chondroitin, and MSM, which work together to help maintain healthy cartilage and connective tissues.

What I particularly love, and what our customers appreciate, is that it comes in handy, easy-to-use sachets. You just mix one with water, and you're good to go. It's perfect for busy lives and for staying consistent with your routine, even when you're travelling for a race. 

Taming Inflammation with Omega-3s

When you train, you're creating tiny micro-tears in your muscles. This process is what makes you stronger, but it also creates inflammation. A little bit is normal, but chronic inflammation can lead to prolonged soreness, stiffness, and slower recovery times. One way to help manage inflammation is Omega-3 essential fatty acids.

Omega-3s, particularly those found in fish oil, have powerful anti-inflammatory properties. They can help soothe that post-run soreness and may even help increase blood flow to your muscles during exercise, which is a fantastic benefit for endurance.

A brand of fish oil that I  have trusted for years is Eskimo 3. It is known for its exceptional purity and stability, which is so important when choosing a fish oil. It's available in both liquid and capsule form, so you can choose what works best for you. Many of our long-distance runners tell us they notice a real difference in their recovery and how their joints feel when they take it consistently.

Of course, you can also get Omega-3s from your diet. I always encourage people to include plenty of these foods in their weekly meal plan: Salmon, mackerel, sardines, and herring are your best sources. Walnuts, chia seeds, flaxseeds, and hemp seeds are brilliant plant-based options. Green leafy vegetables including cabbage, spinach, kale, and Brussels sprouts. Avocados are a wonderful source of healthy fats.

A simple tip is to make a "Runner's Recovery Smoothie." Blend a scoop of protein powder with a cup of spinach, a tablespoon of chia seeds, half an avocado, and some berries. It's a delicious and easy way to get those vital nutrients in right after a run.

The Runner's Best Friend: Magnesium

If there is one mineral that I believe every runner should know about, it's magnesium. It's involved in over 300 processes in the body, including energy production, muscle function, and nerve transmission. When you run, you have a much higher demand for magnesium because you lose a significant amount through sweat.

Have you ever been woken up in the middle of the night by a sudden, painful leg cramp? Or felt your muscles twitching uncontrollably after a hard workout? These are often classic signs that your magnesium levels might be low. A deficiency can lead to cramps, spasms, fatigue, and general weakness-all things you want to avoid when training for a marathon.

There are lots of different magnesium supplements out there, from powders and liquids to gummies and capsules. The one I personally choose and recommend most often to runners is One Nutrition Magnesium Bisglycinate. The reason I'm so fond of this particular form is because it's highly absorbable and incredibly gentle on the bowel. Some forms of magnesium can cause digestive upset, which is the last thing a runner needs. The "bisglycinate" form means the magnesium is attached to an amino acid, which the body easily recognises and absorbs.

Taking it in the evening is a fantastic habit to get into. Not only does it help your muscles relax and repair, but it also calms the nervous system, aiding in a deeper, more restorative night's sleep. And as we know, sleep is crucial for recovery before the next big training session!

Staying Power: The Importance of Hydration and Electrolytes

We all know we need to drink water, but when you're running for long periods, good hydration becomes much more scientific. When you sweat, you don't just lose water; you lose vital minerals called electrolytes-like sodium, potassium, and magnesium.

These electrolytes are essential for so many things, including maintaining fluid balance, helping your muscles contract, and supporting nerve function. If your electrolyte levels drop too low, you can experience fatigue, dizziness, and those dreaded muscle cramps. Simply drinking plain water often isn't enough to replace what you've lost during a long, sweaty run.

This is where adding an electrolyte supplement to your water can make a world of difference. A brand that is incredibly popular with our customers is Thirst. Their hydration sticks are brilliant because they use real juice powder, so they taste refreshing and natural, not artificial. They're easy to pop in a pocket and add to your water bottle mid-run.

Another go to product is the Viridian Sports Electrolyte Fix. This is a concentrated liquid that you can add to any drink. It's a fantastic, no-fuss option to ensure you're replenishing those essential minerals for optimal performance and helping to prevent leg cramps, particularly on those gruelling long runs.

The Secret Weapon: Deep Rest and Active Recovery

You might think that all your progress is made out on the road, but the real magic happens when you rest. Sleep is a runner's ultimate secret weapon. It's when your body gets to work repairing muscle tissue, regulating hormones, and consolidating all your hard training. Skimping on sleep is one of the quickest ways to hinder your progress and increase your risk of injury.

Sometimes, especially when you're deep in a tough training block, your body and mind can feel a bit stressed and overstimulated, making it hard to switch off at night. This is where a wonderful adaptogenic herb called Ashwagandha can be incredibly helpful. Adaptogens help your body become more resilient to stress, both the physical stress from running and the mental stress of everyday life.

For example One Nutrition Ashwagandha is a fantastic formula because it also includes magnesium and zinc, creating a powerful trio for recovery. It helps calm the nervous system and promotes a truly deep and restful sleep, allowing you to wake up feeling refreshed and ready for your next run. Several customers have told me this has been a complete game-changer for their sleep quality during intense training. 

And don't forget about active recovery! On your rest days, simple things can make a huge difference. Soaking in a warm Epsom salt bath is a classic for a reason-it helps relax aching muscles and allows you to absorb magnesium through your skin. You can also use a topical arnica cream to gently massage into any particularly sore spots to help soothe them.

Your marathon journey is a marathon, not a sprint. It's about consistency, patience, and listening to your body. Supporting it with the right nutrition and supplementation can make all the difference, helping you train smarter, recover faster, and cross that finish line with a huge smile on your face.

If you have any questions or want to chat more about your specific training needs, please call into the store. We're here to support you every step of the way. Happy running