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RETIRED PRODUCT This product has been retired. It has been replaced by MARATHON 70. If you're looking for replacement parts, click here.

MARATHON CS

FIT CHART
Seated shoulder height Weight Height
Rearward Facing
Seated Shoulder Height: 10.5 - 16 in.
Weight: 5 - 35 lbs.
Height: 0 - 49 in.
10.5 - 16 in. 5 - 35 lbs. 0 - 49 in.
Forward Facing
Seated Shoulder Height: 12 - 16 in.
Weight: 20 - 65 lbs.
Height: 0 - 49 in.
12 - 16 in. 20 - 65 lbs. 0 - 49 in.

MARATHON CS


The Britax Marathon CS convertible car seat features a Click & Safe Snug Harness Indicator, Side Impact Protection, and can be used from both rear and forward facing up to 65 pounds.


MARATHON CS

The Britax Marathon CS convertible car seat features a Click & Safe Snug Harness Indicator, Side Impact Protection, and can be used from both rear and forward facing up to 65 pounds.

ALL PRODUCT FEATURES
  • HUGS (Harness Ultra Guard System) Chest Pads provide resistance to forward movement in the event of a crash
  • Energy-Absorbing Foam Liner (EPS) absorbs and distributes crash forces
  • 65-pound Weight Capacity for safety and comfort as your child grows
  • Rear and Forward Facing Recline for child comfort and positioning
  • High Density Comfort Foam provides an extra layer of padding to gently cushion your child
  • Plush, Premium Cover Set with matching belly pad provides extra comfort
  • Built-in Lock-Offs ensure a snug lap and shoulder belt installation with minimal effort
  • Front Harness Adjuster provides effortless front adjustment when loosening the harness system
  • Small Contoured Base ensures a tight installation in all types of vehicles
  • Harness Holders keep harness straps pulled to the sides when placing your child in the car seat
  • Certified for Aircraft Travel