3 Day a Week Running Plan For Marathon: 16 Weeks of Workouts

A history of running injuries or not having enough time for training might discourage you from signing up for a marathon. But you can’t let these obstacles hinder your goals. We have a solution for you: a 3 day a week running plan for a marathon! This creative approach will lead you to your goal: the finish line.

It’s time to prepare for your next marathon. Let’s dive into proven 3 days a week marathon training and make the most of the next 16 weeks!

What is a 3 day a week running plan for marathons?

3 Days a Week Running Plan

Back in the 1980s, it was a new and original approach that raised many questions until these days.

Bill Pierce, a marathoner and chair of the Health Sciences Department at Furman University, and his friend Scott Murr, a veteran in the sport of triathlon, decided to compete in a few triathlons. Their training program led to the creation of the Furman Institute of Running and Scientific Training (FIRST) marathon program and the idea that it’s possible to run less and still get amazing results.

They decided to cut their running from six times a week to four. And the results were surprising: Their time in local road races didn’t slow down. So, they decided to take another step and reduce their running training to three times per week.

Pierce, who has run 31 marathons, said, “Lo and behold, our 10K, half-marathon, and marathon times didn’t suffer at all. The more we discussed this—and we discussed it a lot—the more we became convinced that a three-day program, with some cross-training, was enough to maintain our running fitness.”

Research conducted by Pierce shows the effectiveness of the program and how he let his peers finish the marathon. Since then, many people have followed this 3-day-a-week marathon training plan to not only achieve their running goals but also complete their marathons. You don’t have to go through intense training sessions or run for whole weeks.

Is Three Days of Running Enough?

Running three days per week can be enough to complete a marathon. However, it won’t be possible if you only train for running; as cross-training workouts are also required.

So, to achieve success with a 3-day-a-week marathon training program, it is crucial to maintain consistency and diligence in completing every workout.

For Whom Is 3 Day Marathon Training Plan Suitable?

Everyone can follow a 3 days a week marathon training plan, but some people prefer it more than others. For instance, this plan is usually ideal for runners who are injury prone and for people who don’t have enough time or motivation to run every day. Another significant group of people who enjoy this training schedule are people who like variety in their workout routine and don’t want to focus exclusively on running.

What’s important to note is that if your goal is better performance, a marathon training plan 3 days a week isn’t the best fit. According to exercise physiologists and coaches, focusing on specific training is essential to make progress and adapt. This means doing the type of exercise you plan on competing in. Or in other words: if you want to become a better runner, you need to run more.

Depending on your specific goal and fitness level, you can follow this plan to achieve shorter distances as well as marathons and half-marathons. Beginners without previous marathon experience should first set a shorter running goal, like 10K. After completing it, you should set another one with more distance this time. However, for more experienced people who already run longer distances, it’s more than possible to finish a half-marathon or a marathon after this training plan.

Marathon Training 3 Days a Week: Pros And Cons

There is no training plan that will fit everyone like a glove. So, naturally, we can discuss the advantages and disadvantages of this approach. And it is up to you to weigh them and decide whether the training schedule can suit your fitness level and goals, or not.

Advantages

• Time efficiency: Many people have busy lives with work, family, and other commitments. A 3-day-a-week plan can be more manageable for those who can’t dedicate the time required for a more frequent training regimen.
• Reduced risk of overtraining: Running long distances frequently can increase the risk of overuse injuries, especially for beginners or individuals prone to injuries. A 3-day-a-week plan may reduce the overall mileage and provide more recovery time, potentially lowering the risk of injury.
• Cross-training emphasis: With fewer running days, there’s room to add cross-training activities like cycling, swimming, or strength training. Cross-training can improve overall fitness, reduce injury risk, and add variety to your routine.
• Goal achievement: If your main objective is to finish a marathon rather than aim for a particular time, this plan could be a great fit. This is especially true for individuals who have some baseline fitness or running experience.

Disadvantages

• Limited mileage: With only three days of running per week, the total weekly mileage is typically lower compared to more traditional marathon training plans. This reduced distance can potentially affect your overall endurance, making it challenging to adequately prepare for the marathon.
• Less adaptation time: A more frequent training schedule allows your body to adapt gradually to the stresses of running and reduces the risk of injury. With fewer training days, your body may not have sufficient time to adapt to the demands of long-distance running.
• Limited performance improvement: If your goal is not just to complete the marathon but also to improve your performance and achieve a specific time goal, a 3-day plan may not be optimal to achieve significant performance gains.

4 Types of Training During 3 Day Running Program

From the very beginning of this program, it consists of different types of training and runs, including long runs, tempo runs, speed runs, and cross-training.

1. Long Runs (LR)

In 3 day a week marathon training, long runs (LR) are conducted once a week. The distance will gradually increase but won’t reach the entire marathon distance. Also, it’s not necessary to run the full distance before race day. In fact, it can be counterproductive for most marathon runners, aside from elite athletes, because it is overly stressful and exhausting.

During this plan, you will run long runs of 20 to 22 miles. These runs are necessary for psychologically preparing yourself for the marathon. But, your pace must be slower than your marathon race pace. These 20-mile runs will be a valuable opportunity for you to spend a significant amount of time on your feet, just like during the actual marathon.

2. Tempo Runs (TR)

Tempo runs (TR) focus on running at a steady but comfortably hard pace. The goal of these runs is to improve your lactate threshold, which is the point at which your body starts to accumulate lactic acid faster than it can be cleared away. You should perform this type of run at a pace that’s around 80-90% of your maximum effort, or about the pace you could sustain for an hour-long race.

3. Speed Runs (SR)

Speed runs (SR) involve shorter bursts of very high-intensity running, often at (or near) your maximum effort. These workouts aim to increase your top-end speed, stride efficiency, and neuromuscular coordination. Your speed runs should consist of short intervals, such as 200/400/800 meters, with rest periods in between.

4. Cross-Training (CT)

Cross-training workouts improve your aerobic fitness and allow you to rest your feet after running. You must include this training because it will strengthen your heart, lungs, and overall cardiorespiratory system. Cross-training (CT) results in efficiency and endurance during a marathon.

You can select any form of cardio exercise for your cross-training workouts. However, cycling, deep water running, rowing, elliptical, and stair climbing are some good options. During these workouts, aim for Zone 2 efforts, which means keeping your heart rate at 60-70% of its maximum.

16 Weeks Training Plan For a Marathon

So, every week you will have three running training days, two rest days, and two cross-training.

4 Tips to Prepare For Marathon

Although these 16 weeks ahead might be challenging, you can follow these tips to make it a bit easier. Some important ones are:

1. Organize Your Time Wisely

This marathon training plan requires time and dedication. You must be very organized during these 16 weeks of training to ensure consistency not only in training but also in regular life. Consider planning and preparing your meals one week ahead to maximize your time and efficiency.

2. Focus on Quality

Since you have fewer running days than usual, make each workout count. Stay mentally engaged by monitoring your form, breathing, and overall effort.

3. Watch Your Nutrition And Stay Hydrated

Proper nutrition and hydration are essential for recovery and performance. Ensure you’re fueling your body with nutritious foods, staying hydrated, and consuming enough carbohydrates to support your marathon training.

4. Wear Proper Gear

Good equipment is crucial for any runner, especially when preparing for a marathon. The right gear can enhance your comfort, reduce the risk of injury, and contribute to a more enjoyable training experience.

Frequently Asked Questions About 3-Day a Week Running Plan For Marathon

Is it possible to train for a marathon by running only 3 days a week?

Yes, it is possible to train for a marathon by running 3 days a week, but it can be more challenging compared to a traditional training plan with higher weekly mileage. If you’re an experienced marathon runner with a history of injuries, this plan might work perfectly for you! But if you’re a beginner, a marathon is probably more than you can chew by running only three times a week. In that case, consider running a half-marathon or 10K first.

Is it better to run every day or 3 times a week?

The decision between running every day or running three times a week depends on several factors, including your goals, fitness level, recovery ability, and overall lifestyle. There is no one-size-fits-all answer, as both approaches have their pros and cons. Typically, everyday running is better suited for experienced runners who have developed a strong aerobic base, have a solid understanding of their bodies, and can manage the increased demand on their muscles and joints.

Is running 3 times a week enough?

As we already mentioned, if your goal is to finish a marathon or participate in a triathlon, three running sessions per week are enough. But if your goal is to improve your performance in a marathon or beat your personal best, this plan might not be enough.

Wrapping Up Everything About 3-Day a Week Running Plan For Marathon

In a nutshell, you can cross the finish line in 16 weeks if you follow a 3 day a week running plan for a marathon. It will require dedication, and a lot of sweat, but you definitely can do it! This plan is an excellent combo of different runs and cross-training. So, if you decide to go on this journey, it will be an exciting but challenging path.

If you haven’t tried the three days a week training plan, why not give it a shot? Share your thoughts with us in the comments below—your input is invaluable.

Join the conversation with other runners and improve your running skills! Engaging in discussions with like-minded individuals is a proven way to elevate your running game.

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References:

• Pierce committed to students’ best interests // Scholarly Exchange: https://scholarexchange.furman.edu/cgi/viewcontent.cgi?article=2233&context=furman-magazine
• Main Page // Furman University Scholar Exchange (FUSE): https://www.furman.edu/first/
• Three radical // Furman University : https://www.furman.edu/first/wp-content/uploads/sites/168/2020/01/Three-Radical.pdf
• Summary of Bill Pierce & Scott Murr’s Runner’s World Run Less Run Faster // Scribd: https://www.scribd.com/book/599813754/Summary-of-Bill-Pierce-Scott-Murr-s-Runner-s-World-Run-Less-Run-Faster
• An Internal Focus of Attention Is Not Always as Bad as Its Reputation: How Specific Aspects of Internally Focused Attention Do Not Hinder Running Efficiency // Human Kinetics: https://journals.humankinetics.com/abstract/journals/jsep/36/3/article-p233.xml
• 9 Best Running Shoes For Heel Strikers In 2023 // PacePassion: https://pacepassion.com/gear-reviews/best-running-shoes-for-heel-strikers/