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![]() A rigid seat shell, deep side walls, and energy-absorbing foam lining protect your child's head, neck and body. View larger. |
Side Impact Protection for Added SecuritySuperior 360-Degree Protection to Minimize the Risk of Injury
The Marathon offers a variety of superior crash force management features to keep your child properly positioned and protected. First, the patented, energy-absorbing Versa-Tether has staged-release tether webbing, anchoring the top of the seat at two points to minimize forward movement. For growing babies, the tangle-free, five-point harness offers multiple harness heights for a snug, custom fit.
For additional protection, the Harness Ultra Guard System (HUGS) reduces forward head movement, while both the EPS foam liner and base are designed to absorb energy.
Superior Ease-of-Use for Safety and Convenience
Packed with perks for parents, the Marathon includes push-button lower LATCH connectors for quick, simple, and tight installation, and a front harness adjuster allows for easy loosening of the straps. Built-in lock-offs secure the vehicle seat belt and prevent the car seat from moving more than one inch side-to-side and front-to-back at the belt path.
A small contoured base ensures a tight installation in all types of vehicle seats, while convenient holders keep harness straps out of the way while you're placing your child in the seat.
The Marathon Convertible Car Seat is available in the following patterns: Onyx, Mariposa, Cowmooflage, Mossy Oak Limited Edition, and New Denim.
The Britax Marathon Convertible Car Seat is backed by a one-year limited warranty.
What's in the Box
One Britax Marathon Convertible Car Seat and manual.
![]() Available in these styles. |
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195 of 195 people found the following review helpful: This review is from: Britax Marathon 65 Convertible Car Seat, Onyx (Baby Product) Don't get me wrong....I would own nothing other than Britax seats at this point. We have 4 children and we've tried various models. We've donated the others to Goodwill. We currently own 5 Britax car seats for 4 children. We have 2 Regents, 1 Parkway(used as a spare), 1 Marathon, and 1 Roundabout. I feel as though I'm a walking advertisement for Britax and we've been accused of being uptight about car seats.
As far as I'm concerned, there are three main features that we look for in a car seat: 1. Does it fit securely in the vehicle? Forward facing, this seat is awesome. We don't have the latch system in our van, so we never had the opportunity to use the latch belts although I'm sure they work fine. We use the shoulder belt and we've never seen any other seat get as secure as our seat. When we try to move the seat side to side, the van moves instead. The beauty of the system is that after you've tightened the lap part of the belt down...Read more 146 of 152 people found the following review helpful: By This review is from: Britax Marathon 65 Convertible Car Seat, Onyx (Baby Product) This car seat was a life saver! Our daughter is almost 4 months now and cried everytime we placed her in her infant seat, except on the day home from the hospital. We couldn't drive down the road without listening to screams - the only time we went anywhere was if she was asleep and often she woke up the minute we put her in her seat. My 8 year old and I would both sit in the back seat with her, it didn't matter. I read the reviews on this seat so we went to 2 different stores and placed her in the demo. She was fine. My mother offered to purchase it for us so we got it. Sketptical? I was skeptical, so I first took her for a 5 minute ride - no crying. The next day I chanced 15 minutes - still no crying. The third day we went to my mother's - a 40 minute drive each way. Within a week we were willing to try her on a 3 hour trip. She did great! I think the key for us was my daughter can see out and doesn't feel confined like the infant seat...Read more 20 of 21 people found the following review helpful: By Jean Rhys (California) - See all my reviews This review is from: Britax Marathon 65 Convertible Car Seat, Onyx (Baby Product) My 2 year old daughter has been in a britax marathon ever since she was 7 months old. After hours of research and asking around, I decided that this was a good investment for the safety of my daughter, although it is quite expensive compared to the other carseats in the market. We never had a problem with this carseat and my daughter always looked comfortable in it whether she's sitting up looking out the window or sleeping. I love the headrest on the sides that allows her to sleep in the car without her head bouncing around. After using this for over a year, I decided to move my daughter into a cheaper Eddie Bauer covertible seat so her younger sister can use her Britax. BAD DECISION!! I realized on the first drive that there is no car seat out there that beats this one. In less than five minutes, her head was bobbing around, padding was so horrible, her headrest was so stiff and upright that she was struggling to get out. I thought she was old enough to use cheaper brands...Read more |