Start Your Marathon Slower Than You Think

Starting your marathon too fast can make the final kilometres much harder than they need to be. Learn why race-day adrenaline can lead to early pacing mistakes, why trying to “bank time” often backfires, and how a patient, controlled start can help you conserve energy and finish your marathon stronger.

The first five kilometres of your marathon should probably feel too easy.

That's a good thing.

One of the most common marathon mistakes happens almost immediately after the starting gun. You're tapered, your legs feel fantastic, adrenaline is flowing, and you're surrounded by runners moving quickly.

Suddenly your planned marathon pace feels ridiculously comfortable.

That's when patience matters.

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Don't Spend Your Energy Too Early

Running just 10 or 15 seconds per kilometre faster than planned might not feel difficult during the opening stages.

But you're still asking your body to work harder than necessary.

You're using more energy, burning through carbohydrate faster, and accumulating muscular fatigue—all during the easiest part of the marathon.

You probably won't notice the consequences at 5km.

You might not even notice them at halfway.

But beyond 30km, those early pacing mistakes can become very expensive.

Don't Try to "Bank Time"

Trying to get ahead of your target by running faster while you're fresh sounds sensible.

Unfortunately, the marathon doesn't work like a savings account.

Instead of banking time, you may simply be borrowing it—with interest.

Let other runners go.

Relax your shoulders, settle into your rhythm, and gradually establish your planned marathon pace.

There's no prize for being ahead of schedule at 5km.

Start Slow. Finish Strong.

The marathon rewards patience.

If the opening kilometres feel almost ridiculously easy, resist the temptation to speed up. The race will become difficult later without you making it difficult early.

Save your energy for the final 10–12 kilometres.

That's where good pacing really pays off.

Start conservatively. Be patient. Then give yourself the opportunity to finish strongly.

Want to Learn More?

I've written a more detailed article explaining why starting too quickly can derail your marathon, why "banking time" rarely works, how to handle runners passing you early, and how to develop a smarter pacing strategy.

👉 Read the full article on CoachRay.nz:

https://www.coachray.nz/2026/08/10/start-your-marathon-slower-than-you-think/