In-Depth Review of the Britax Marathon ClickTight (2023)

Reliable, Versatile Convertible Car Seat

Last Updated on 2023-11-21

This comprehensive review will provide an in-depth look at the Britax Marathon ClickTight. We'll analyze the key features, real owner experiences, who this seat is ideal for, and technical specifications to help you determine if this is the right car seat for your family.

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In stock
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Offers durable construction and long-lasting use, justifying its price point.


Includes superior side impact protection and a steel frame for enhanced safety.


Equipped with the ClickTight installation system and multiple recline positions.


The ClickTight system simplifies installation, making it straightforward and reliable.


Features machine-washable padding, offering convenience in maintenance.


While not the most compact, its size is typical for convertible car seats.

Key Information

Type Convertible

Rear-Facing Forward-Facing
Weighted Rating 4.65 / 5.0

Product Overview

The Britax Marathon ClickTight Car Seat

The Britax Marathon ClickTight is a convertible car seat designed to provide safety and comfort for children. This model transitions from a rear-facing seat for infants to a forward-facing seat for toddlers and older children. It's known for its ClickTight installation system, which simplifies securing the car seat in a vehicle, making it a popular choice for parents seeking a combination of ease of use, safety, and versatility.

Key Features

What features set this car seat apart from others?

  • ClickTight Installation System: Simplifies the installation process, ensuring safety and ease.
  • Flame-Retardant Chemical-Free Fabric: Provides a safer, chemical-free environment for children.
  • Machine-Washable Padding: Offers easy cleaning and maintenance.
  • Steel Frame and Side Impact Protection: Enhances safety and durability.
  • Multiple Recline Positions: Accommodates various child sizes and comfort needs.
  • Easy-to-Adjust Harness: Facilitates convenient adjustments as the child grows.

What Real Owners Think

Here's what actual owners of the Britax Marathon ClickTight had to say based on hundreds to thousands of reviews we've analyzed from Walmart, Target, and Amazon.

Pros Cons
  • Easy Installation: "Installation was really easy with the seat belt and with the included latch strap."
  • Comfortable Fabric: "The materials are incredibly soft and feel high-end."
  • Safety Features: "My kids' heads are padded and protected from side impacts."
  • Machine Washable: "It was very easy to remove the cover and throw in the washing machine."
  • No Harmful Chemicals: "Great that the fabric is not treated with flame-retardant chemicals."
  • Potential Comfort Issue: "She developed a small bruise on her tailbone after a day of shopping and errands."
  • Strap Adjustment Difficulty: "The straps were somewhat difficult to adjust and appeared to be short."
  • Size Limitations for Larger Children: "It may, perhaps, be a better fit for more petite babies and toddlers."
  • Lack of Cup Holder: "Unfortunately there is no cup holder."
  • Installation Challenges for Some: "This carseat has been an absolute headache to install from day one."

Who Should Buy the Britax Marathon ClickTight?

The Britax Marathon ClickTight is particularly suitable for parents who prioritize safety and ease of installation. Its ClickTight system makes it a go-to choice for those who frequently switch the car seat between vehicles or struggle with car seat installation. Additionally, the chemical-free fabric and machine-washable padding make it ideal for health-conscious parents and those seeking hassle-free maintenance. The seat's versatility and safety features make it a solid choice for both infants and toddlers, although it may be more suitable for children on the smaller side.

Final Verdict

The Britax Marathon ClickTight is a high-quality, versatile convertible car seat that stands out for its safety features, ease of installation, and maintenance. While it excels in safety and convenience, some parents might find issues with its size for larger children and the absence of a cup holder. Overall, its benefits significantly outweigh its limitations, making it a recommended purchase for parents seeking a reliable, safe, and user-friendly car seat. The ClickTight system alone is a major selling point, ensuring that the seat is installed securely and correctly every time. This car seat is a worthy investment for the peace of mind and safety it offers.


Allowable Height and Weight Ranges

Height Range Weight Range
Rear-facing 0 - 49 inches 5 - 40 pounds
Forward-facing 0 - 49 inches 20 - 65 pounds

Dimensions and Weight

Width 18.5 inches
Height 23.0 inches
Depth 23.7 inches
Weight 28.5 pounds

Core Specifications

Model Year 2021
Made In USA
Frame Material Reinforced Steel

Safety and Compliance

Federal Safety Standards Meets all standards
Configurations FAA-Approved for Airplanes Forward-Facing
NHTSA Ease-of-Use Ratings
These ratings let you compare how easy it is to use certain car seat features. They are not a reflection of car seat features being better or safer.
Rear-Facing Mode
Overall 4 out of 5 stars
Labels 3 out of 5 stars
Instructions 5 out of 5 stars
Securing 4 out of 5 stars
Installation Features 4 out of 5 stars
Forward-Facing Mode
Overall 4 out of 5 stars
Labels 3 out of 5 stars
Instructions 4 out of 5 stars
Securing 5 out of 5 stars
Installation Features 4 out of 5 stars
Previous Recalls This car seat has never been recalled.


Attachment Methods LATCH
Harness Type 5-Point

Warranty and Durability

Manufacturers Warranty Length 1 year
Lifespan 10 Years

Additional Links

See all Britax car seats
See all Convertible car seats

Current Price Seller
In stock
$431.09 Shop