What Are the Hardest Parts of a Marathon?

Running a marathon is a tremendous achievement, but it doesn’t come without its challenges. While every runner’s experience is unique, certain aspects of the marathon are universally considered tough. Here’s a breakdown of the hardest parts of a marathon, and how to tackle them.

The First Few Miles

You might not expect it, but the first few miles can be deceptively difficult. The excitement at the starting line often leads to running too fast, burning through energy reserves early. Additionally, finding your rhythm amid the crowd can be tricky. The solution? Stick to your pacing plan and avoid the temptation to keep up with others.

The Middle Miles: Mental Fatigue

The middle section of the marathon, usually around miles 10–18, can feel like a grind. The initial adrenaline has worn off, but the finish line is still far away. Mental fatigue sets in as the monotony of running takes hold. Breaking the distance into smaller, more manageable sections and focusing on your next milestone can help keep you motivated.

The Wall

Often described as the toughest part of a marathon, “hitting the wall” usually happens between miles 18–22. It’s a point where your body’s glycogen stores are depleted, leading to extreme fatigue and even muscle cramping. Many runners experience this as a physical and mental battle. The key to avoiding the wall is proper nutrition—ensure you consume enough carbohydrates during training and on race day.

The Final Push

The last few miles test both your physical endurance and mental resilience. By this stage, your legs may feel like lead, and every step can be a struggle. The crowd’s cheers help, but it’s still a personal battle to push through the pain. Having visualised the finish line during training and reminding yourself why you started can help you dig deep and keep going.

Recovery After the Finish Line

Even crossing the finish line doesn’t mean the hard work is over. After the euphoria subsides, post-race recovery can be challenging. Sore muscles, exhaustion, and a potential drop in mood (known as the post-marathon blues) can be tough to manage. Proper hydration, nutrition, and rest are essential for recovery.

A marathon is as much a mental challenge as it is a physical one. Knowing these difficult points in advance and planning strategies to overcome them will make your journey to the finish line that much more rewarding.