You’ve just completed your marathon, whether it was your first, twenty-first, or one hundred and twenty-first, congratulations!
Did you cross the line saying “never again,” only to find yourself signing up for next year’s race the very next morning! That post marathon daze has a way of making you do crazy things, no matter whether you had the best race of your life or one you’d rather forget!
But now what? You have been so focused on your marathon for the last few months, it almost feels like there’s a void. The structure, the long runs, the countdown to race day, all gone. The post marathon period can feel strange and even a little disorienting. You’ve spent so much time working toward one goal that it’s natural to feel a bit lost afterward.
That’s why it’s so important to treat this phase with the attention it requires. What you do now will shape your recovery, your long-term fitness, and how strong you come back for your next goal. The post marathon period is one of the most important and often understood, phases of training. If you are wondering what you should do next, here are some tips.
1. Prioritise Rest
It sounds obvious, but prioritising rest after your marathon is essential. In fact, your body might not give you much choice. You may find yourself walking around like John Wayne, dreading the sight of stairs, and wondering how on earth you’ll make it either up or down them.
This is all perfectly normal, your muscles, joints, and nervous system have just gone through 26 miles (42 km) of effort. So, don’t make any major plans. Give yourself a few days of proper rest. Feet up, hot baths, gentle walks, or whatever helps you unwind and recover.
Later in the week, if your legs are feeling a bit more cooperative, go for a short, easy run, purely to get moving again, not to train.
2. Focus on Recovery
Post marathon recovery isn’t just about time off, it’s an active process. Foam rolling, gentle mobility, and massage can improve circulation and reduce stiffness.
By all means, enjoy your post marathon celebrations. You’ve earned them! But remember, you’ve asked a lot from your body over 26 miles (42 kilometres). It needs time and care to rebuild.
Hydration is key too. According to the American College of Sports Medicine, runners can lose 2–4% of their body weight in fluids during a marathon. Rehydrating properly helps restore electrolyte balance and supports muscle repair.
And don’t forget sleep, it’s the most effective recovery tool you have. Aim for 8 hours per night.
3. Watch Your Nutrition
You may have been dreaming about your post marathon nutrition, that celebratory greasy burger or the pile of junk food you’ve been craving for weeks. Your body deserves a treat, absolutely. But be careful not to let the celebration turn into a week-long binge. Your post marathon nutrition plays a major role in how quickly you recover.
Also remember that during training, your calorie needs were sky-high. After the marathon, your hunger might still be there, but your energy expenditure drops dramatically. It will take some time for your appetite to adjust to your new norm, so try to be mindful of what your body really needs rather than what habit or emotion tells you to eat.
Focus on wholefoods, colourful vegetables, lean protein and complex carbs, rather than restriction or over indulgence. Post marathon nutrition is essential for proper recovery of your muscles but don’t over do it.
4. Embrace Periodisation
One of the best post marathon training tips is to use periodisation, a coaching approach that adjusts training loads and focuses through the year.
You can’t sustain marathon-level mileage year-round. Instead, reduce volume but maintain consistency with shorter, faster runs and moderate mileage. This keeps your fitness stable and your motivation high.
Structured periodisation reduces overuse injury risk and maintains aerobic capacity.
Think of this time as your transition phase, not “doing nothing,” but training differently. Post marathon training should focus on variety and recovery. Think 5k or 10k distances. Your body will be grateful for the shorter distances for a while. Introduce some speed work. This makes your training more interesting and helps you become a more well-rounded runner.
6. Run a Fast 5k
About three weeks after your marathon, I highly recommend signing up for a local 5K.
You’ll be surprised at how fast you can go. After months of aerobic endurance work, your engine is strong, and racing a shorter distance will feel like a walk in the park after running a marathon. It’s like a little bonus gift for all your commitment to your marathon training.
7. When to Introduce Running Post Marathon
Here’s some practical, coach-approved advice to guide your next few weeks after the marathon.
- First Week – Prioritise Rest
Take it easy. Your body needs to repair from the effort of 26 miles (42 km). Rest completely for a few days, then, later in the week, go for a short, easy run if you feel ready. Keep it gentle and relaxed. - Second Week – Reintroduce Easy Runs
You can start with some easy runs early in the week. Towards the end of the week, you can add a light speed session, think short pickups or strides to wake up the legs without overloading them. - Third Week – Add Pace and Race a Fast 5K
Include a slightly faster session early in the week, then finish the week with a 5K race or time trial. You’ll be surprised how strong and fast you feel thanks to your marathon base.
8. Reflect & Reconnect
Take a moment to really appreciate what you’ve accomplished. Fewer than 1% of people ever run a marathon, you’re part of a very small and determined group. That’s something to be proud of.
After months of early mornings, long runs, and juggling training with everything else in life, it’s okay to slow down. Reflect on what went well, what you learned, and what you might do differently next time. Then, make time to reconnect with family and friends who may have felt a little neglected during your training. They’ve been part of your marathon journey too.
Let us know how your marathon day went.
We’d love to hear how your marathon went and your post marathon 5k. Share your story, race-day photos, or lessons learned over on the Achieve Running Club Facebook page . Celebrate your hard work, connect with other runners, and inspire someone who’s just starting their marathon journey.
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