Marathon Clicktight

By Britax

Marathon Clicktight

By Britax


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The safest easiest installation available and superior side impact protection make the Marathon ClickTight a smart choice for parents who want maximum assurance that their child is safe.

Additional Information

Additional Information

  • Side impact protection formed by a deep foam-lined shell
  • Impact-absorbing base compresses to reduce the rough force of a collision
  • Impact-stabilizing steel frame offers superior strength where you need it most
  • V-shaped tether minimizes seat rotation with a unique two-strap design
  • Patented staged-release stitches slow the seat’s forward movement during a crash
  • Impact-absorbing harness pads adsorb energy and reduce your child’s forward movement during an impact
  • 7-position recline makes for easy angle adjustment
  • Automatic level indicator lets you know the seat is angled correctly in your car
  • ClickTight Installation System makes safe installation as easy as buckling a seat belt
  • No-rethread 12-position harness
  • Quick-adjust 2-position buckle
  • Removable body pillow
  • Plush foam padding and fabrics


  • Rear Facing Height: 0 - 49" (0 - 124.5 cm)
  • Rear Facing Weight: 5 - 40 lbs. (2.3 - 18.1 kg)
  • Rear Facing Shoulder Height: 7.6 - 16.95" (19.3 - 45 cm)
  • Forward Facing Height: 0 - 49" (0 - 124.5 cm)
  • Forward Facing Weight: 20 - 65 lbs. (9 - 29 kg)
  • Forward Facing Shoulder Height: 7.6 - 16.95" (19.3 - 45 cm)

Car Seat expires 10 years from Date of Manufacturing

Customer Reviews 5 Review(s)

5 Item(s)

Highly recommend!
Love this car seat! The click tight system makes
It super easy to install! My daughter is very comfortable in it and easily naps. The camowflage pattern is super cute and it washes up beautifully! The only small draw back it that the seat Is a bit cumbersome to move from one car to the next but I haven't come across one car seat that isn't!
Review by Riley's mom / (Posted on 2016-10-19)
Great car seat!
This car seat is easy to install and has a good safety rating. I would definitely buy this seat again.
Review by A / (Posted on 2016-10-19)
Amazing car seat!
My son loves this car seat ! I've become a " super car seat changer ) moving it between vehicle and it is so easy to do!! The click tight system is amazing ! The seat is soft and comfy for our long drives! Only downfall is there isn't a cup holder !! But britax is the best!
Review by Kaitlyn / (Posted on 2016-10-19)
Great Seat!
I love this Britax Marathon car seat!! I highly recommend it to anyone.
Review by Candice / (Posted on 2016-03-01)
I am thrilled with this seat! We just received 2 for our boys to replace our old carseats (we were in a minor car accident and the law in QC is we have to replace them) and we couldn't be happier with the change. We had 2 seats that rhyme with "iono" ;) They were good seats but took up so much room front to back. The Marathon CT has 7 recline positions which is amazing, let me tell you!!!! The CT is so easy to install and my 2.5 yr old said it is very comfortable! I've been converted to Britax! My 5 month old is loving his seat too, because I can adjust the recline, I was able to put him more upright and he's higher up so he can actually see which I think he loves. All in all definitely worth the money. Also I was a bit worried I should've gone with the BLVD CT with more padding, but these seats have an abundance in cushions and I can't see why anymore would be necessary.
Review by MumMTL / (Posted on 2016-01-12)

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