Marathon Onyx Booster Car Seat
- Recommended For Ages: More than 4 Years
- Additional Features: Top Tether Strap
- Type: Booster
- Seating Direction: Rear / Forward Facing
- Restraint System: 5-Point Safety Harness
- Stay-in Car Base: No Detachable Base
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Consumer Reviews
Showing 1 - 20 of 65 Reviews |
LOVE THIS CARSEAT
I purchased the Marathon Onyx Booster car seat because I was concerned about safety after being in a car accident with my first child while he was still in an infant seat, I was frightened of making the wrong choice, but everywhere I looked the Marathon onyx booster car seat had 4... Read full review »
Awesome Buy
My mother in law suggested that I buy this car seat after someone in her ladies group got it for their grandson. My son absolutely loves it and so do I. It is extremely comfortable and definitely worth the price. I like the fact that his head was not flopping around while he was in the car and... Read full review »
BEST carseat ever!
This is the best carseat I have bought! With my first I went with Graco seats, but honestly, the Britax is soooo much better for the value! I recommend this carseat to any new or current mommy's! Read full review »
High Quality, but really big
We have this car seat rear facing in my GMC Yukon and it takes up the whole second row. I really like this seat and brand though. I feel much safer with my children in this seat. I have a 12 month old and 2 1/2 year old and I don't anticipate for them to outgrow it any time soon! Read full review »
Safety and fashion can go hand in hand!
Both of my kids are in Britax Marathons. I chose this seat because of the reputation it has as well as the fact that it allows us to have them in a 5 point seat for longer than most other seats, eliminating the need for a booster seat for a while. We also love the butterfly print on... Read full review »
Great seat, and very masculine!
Both of my kids are in Britax Marathons. I chose this seat because of the reputation it has as well as the fact that it allows us to have them in a 5 point seat for longer than most other seats, eliminating the need for a booster seat for a while. The "mossy oak" print looks a lot like... Read full review »
great comfy seat booster
The Britax Marathon Booster car seat is great on toddlers. Doesn't make them tired. It has built in cusions. It's great on safely and great price. Read full review »
It's worth the money
This carseat is worth the money. Makes us feel good that it has such a high safety rating. Don't hesitate to buy... Read full review »
Best carseat!
I have this carseat for my 3 year old and she LOVES it! She can strap herself in because the straps don't get all twisted up. Have never heard an uncomfortable complaint...as a matter of fact she falls asleep in the seat often and her head never falls forward..(this has been a problem with... Read full review »
Britax makes a great seat!
This is a great seat. We love it because it allows our kids to stay rear facing longer then other seats do. It is also very comfortable for the girls Read full review »
The best car seat ever!
We love our this car seat. It has been extremely easy to use and comes highly rated for safety. You just can't beat a Britax. My husband easily installs it in and out of our vehicles as necessary. The cover comes off and is washable, just pay attention when removing it and... Read full review »
This Car Seat Gave Me Piece of Mind
I purchased this seat for my second child. It got great ratings and is very easy to use. Including disassembling for cleaning. Read full review »
Best carseat ever!
We just got our marathon last month, and it is by far the best carseat we've ever used. Easy to install, I LOVE the velcro shoulder strap holders that prevent tangling, and the size is just perfect. It fits great into my little car (hyundai accent), and my daughter loves that she can see out the... Read full review »
Adorable!
I absolutely love my Britax carseat...so much I have two. This car seat is easy to use and since it has excellent ratings...I feel at ease that if we got into a car accident she would be safe. The print on this is just adorable (even my husband doesn't mind it in his car). And my daughter... Read full review »
Love my Marathon!
We bought this carseat for our four door sedan. It fits well, but the size of the carseat definitely means that it would not be the best option for a smaller (two door) car. The fabrics/prints are great and the seat itself is very high quality. We've been using ours for two years... Read full review »
Great Car Seat
We have two of these seats for our two toddlers, and they've been great. The kids are comfortable, and I feel confident that they are riding in a safe seat. Britax is known for safety, and that's our top concern. There's plenty of room in the Marathon for growing kids, and the straps adjust as they... Read full review »
We love our Marathon
We brought our Marathon whem our son was a 1yr old. We love it. It is very roomy and comfortable for him to sit in. He sleeps easily on all trips and at almost four still has room to grow. Very easy to take a part and clean and the cover holds up well to spills and other things. Expensive but... Read full review »
SAFE easy to use, easy to install properly again and again
Britax is known for the safety hands down, but the Marathon is very easy to use... No frills just easy to use, comfortable, *AND* easy to install safely. For whatever reason, we keep having to move the seat back and forth between our two cars. I feel very comfortable installing and... Read full review »
Great seat, beautiful cover!
The Marathon is an awesome car seat and we have really loved ours. It works well and is very easy to use. I love that it has built-in lock-offs and can be used both forward and backward facing in the car. It has been very easy to install in a variety of vehicles, even smaller... Read full review »
it is not worth the money
Britax is a famous brand, a lot of friends chose it. I don't have any experience on this , so I listen to my friends and bought Britax Marathron. Well, at the beginning, it is pretty good quality, but it has some little problems after I used it couple times. I do feel it does not worth the money... Read full review »
Available From
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Britax - 2005 Marathon Convertible Car Seat Colonial Blue
We are currently out of stock in this fabric, please check back for availability. Product Features: ? Britax - 2005 Marathon Convertible Car Seat Colonial Blue ? Converts from rear-facing for infants (5 to 30 lbs.) to front-facing for toddlers (20 to 65 lbs.) ? LATCH compatible when facing front or rear ? Adjustable five-point safety harness with four shoulder positions ? Special impact foam cradles head and torso ? One-pull harness strap adjustment ? Removable, washable seat cover ? Easy operation when using a traditional seat belt attachment ? Approved for aircraft use ? 18 1/2W x 25D x 28H
| Stock Availability: | In stock |
| Store Note: | Usually ships within 2 business days |
| Base Price: | $249.99 |
| Tax: | |
| Shipping: | Free Shipping |
| Total Price: | $249.99 |
Britax - 2005 Marathon Convertible Car Seat in Mauvelous
We are currently out of stock in this fabric, please check back for availability. Product Features: ? Britax - 2005 Marathon Convertible Car Seat in Mauvelous ? Converts from rear-facing for infants (5 to 30 lbs.) to front-facing for toddlers (20 to 65 lbs.) ? LATCH compatible when facing front or rear ? Adjustable five-point safety harness with four shoulder positions ? Special impact foam cradles head and torso ? One-pull harness strap adjustment ? Removable, washable seat cover ? Easy operation when using a traditional seat belt attachment ? Approved for aircraft use ? 18 1/2W x 25D x 28H
| Stock Availability: | In stock |
| Store Note: | Usually ships within 2 business days |
| Base Price: | $249.99 |
| Tax: | |
| Shipping: | Free Shipping |
| Total Price: | $249.99 |
Britax - 2006 Marathon Convertible Car Seat in Red
We are currently out of stock in this fabric. Product Features: ? Britax - 2006 Marathon Convertible Car Seat in Red ? Converts from rear-facing for infants (5 to 33 lbs.) to front-facing for toddlers (20 to 65 lbs.) ? LATCH compatible when facing front or rear ? Adjustable five-point safety harness with four shoulder positions ? Special impact foam cradles head and torso ? One-pull harness strap adjustment ? Removable, washable seat cover ? Easy operation when using a traditional seat belt attachment ? Approved for aircraft use ? 18 1/2W x 25D x 28H
| Stock Availability: | In stock |
| Store Note: | Usually ships within 2 business days |
| Base Price: | $269.99 |
| Tax: | |
| Shipping: | Free Shipping |
| Total Price: | $269.99 |
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