Britax Boulevard Vs. Marathon: What Are The Differences?

Becoming a parent is an exciting event for all those involved. The soon to be new parents, the grandparents, and all the friends. Everyone is ready to help purchase things if need be because there are many things to buy. Before your friends and family members can help you out, there are some decisions that you have to make. 


In the world of baby products, there are numerous choices for every item that you need to purchase. Multiple brands of baby bottles. Countless brands of strollers. Numerous styles and options for car seats. To help make this process slightly easier, this article will breakdown two car seat options from the same brand. The Britax Boulevard vs. Marathon is two popular choices of car seats. Each has features that parents rave about, which will be discussed next.

Britax Boulevard Vs. Marathon

The best way to compare Britax Boulevard vs. Marathon is to lay out their features so you have all the information you need to make a decision between the two car seats.



Both the Britax Boulevard and the Britax Marathon were designed with safety in mind, they just have slightly different features that make up the safety of the car seat. Britax Boulevard has two layers of side protection built into the car seat. The base was also designed to absorb energy. This means that if there were ever a car accident, the base is meant to absorb the energy that is produced by the impact. 

The main safety feature of the Britax Marathon is SafeCell Technology. This piece of technology is able to compress and lowers the center of gravity of the car seat. In other words, if an accident happened, SafeCell Technology would kick in and the car seat would be less likely to propel forward. The Britax Marathon also has side-impact protection and energy-absorbing foam surrounding your child’s body. 

One feature that these two car seats have in common is the Marathon ClickTight and the Boulevard ClickTight. This is an added feature that provides maximum safety to your child. When you install the car seat, lift open the front and feed the seat belt through, then shut the car seat. When the car seat is shut the Marathon ClickTight and the Boulevard ClickTight features automatically lock the seatbelt, leaving no room for the car seat to wiggle around.

Weight Limits

In the weight limit category, the Britax Boulevard and the Britax Marathon are the same. In the rear-facing position, your child can sit comfortably while they weight between 5 and 40 pounds. The front-facing position will hold your child between the weights of 20 and 65. 



In the category of installation, the Britax Boulevard and the Britax Marathon are very similar. Britax Boulevard has easy to use latch anchors and connections. This makes installing them into your vehicle simple. One thing to note here is that even though the Britax Boulevard is simple to install, due to all the safety features, the car seat itself can be on the heavier side. Britax Marathon also uses latch anchors and connectors but has built-in lock-offs at the back of the car seat that let the installer know it is securely in place. 


The Britax Boulevard car seat was designed to grow with your child while remaining comfortable throughout the time of use. There are 10 different positions for the back of the seat and three reclining positions. The Britax Marathon is similar in that it also has 10 different back positions that can be adjusted as your child grows from an infant to a toddler. The padding of the Britax Marathon can also be adjusted and removed as needed for your growing child. 


The Britax Boulevard is less expensive than the Britax Marathon. The Britax Boulevard car seat is $270 on Amazon and the Britax Marathon is $350 on Amazon. 


Which Is Best?

So now that you have the basic information about both car seats, the decision on which is best is left for you to decide. It all depends on what features you are looking for and which car seat will be able to fit your lifestyle. 

What Is The Difference Between The Britax Marathon, Boulevard, And Advocate?

The main differences between the Britax Marathon, Boulevard, and Advocate are the maximum heights allowed and the weights of the overall car seats themselves. 


Is Britax Advocate Better Than Boulevard?

The main difference between the Britax Advocate and the Boulevard ClickTight is that the Advocate has three layers of side protection and the Boulevard ClickTight only has one. This means that the Advocate weighs more that the Boulevard ClickTight. So when it comes to deciding which is best, you have to look at the overall safety features of each of the car seats. Then also consider the weight. Is something heavy better or worse for your lifestyle? These are things that you have to consider when deciding which car seat is the better option.  

What Is The Difference In Britax Car Seats?

When looking to purchase a Britax car seat, you first have to select which type is best for you. Today, the main difference in Britax car seats is going to be if they are convertible or just forward-facing. Then within these two groups, you can decide the features that appeal most to you. Britax car seats vary in weights, how many layers of protection, safety features, style, and design. 

Which Is The Best Britax Convertible Car Seat?

The best Britax convertible car seat is the Britax Marathon Clicktight. The Britax Marathon Clicktight can seat your child from the time they are born to the beginning elementary years. The Britax Marathon Clicktight features seven different recline positions and 14 ways to adjust the harness. Other features of the Britax Marathon Clicktight include a five-star safety rating and a higher weight capacity than other convertible car seats. One of the only cons of the Britax Marathon Clicktight is that it is not an infant seat so it does not have a handle in order to carry around your infant. This Britax convertible car seat is meant to remain in the car. 

What Is The Safest Convertible Car Seat On The Market?

The safest convertible car seat on the market is the Britax One4Life ClickTight. This convertible car seat can be used from the moment your child is born up until they are ready for a regular seatbelt or until your child is 120 pounds. This convertible car seat is slightly better than all the rest because it features the ClickTight technology that guarantees correct installation. The car seat features a 15-position headrest and harness and can be reclined in 9 different ways. The one downfall of this car seat is that it does not have the ability to convert into a backless booster. The booster will always have a back. 

Is Britax Better Than Graco?

Britax and Graco offer different features for their car seats. For example, Britax car seats have more layers of protection and the ClickTight feature. One the other hand, Graco car seats tend to weigh less and are less expensive. When deciding which is better, you should compare the two models that you are interested in to see which would better fit your vehicle and your lifestyle. 


Is Britax Marathon Or Boulevard Better?

The Britax Marathon ClickTight and the Boulevard ClickTight are very similar, so deciding which is better for you will come down to style, design, and safety features. The Britax Marathon features the SafeCell technology, which was designed to compress and lower the center of gravity so it would be less likely to propel forward if there was an accident. Having this piece of technology also makes the Britax Marathon ClickTight more expensive. So the choice is yours. 

How Long Does A Britax Marathon Last?

A Britax Marathon will last 7 years.

What Age Is The Britax Marathon For?

The age is about 4 years old, but what really matters is the weight and height. Your child can use a Britax Marathon until they weigh 65 pounds or have reached 49 inches tall. 


What Britax Car Seat Is The Best?

The best Britax car seat is the One4Life ClickTight, as mentioned and described above. 

DISCLAIMER (IMPORTANT): This information (including all text, images, audio, or other formats on is not intended to be a substitute for informed professional advice, diagnosis, endorsement or treatment. You should not take any action or avoid taking action without consulting a qualified professional.   Always seek the advice of your physician or other qualified health provider with any questions about medical conditions. Do not disregard professional medical advice or delay seeking advice or treatment because of something you have read here a

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.