 | The legendary Britax Marathon™ convertible car seat is renowned for safety, comfort, and convenience. The Marathon is also one of many Britax products renowned for its ability to keep your child in a harnessed restraint up to 65 pounds. |
 | The legendary Britax Marathon™ convertible car seat is renowned for safety, comfort and convenience and for the ability to keep your child in a harnessed child restraint up to 65 pounds. Unique features including a sculpted base, push button release... |
 | The legendary Britax Marathon™ convertible car seat is renowned for safety, comfort and convenience and for the ability to keep your child in a harnessed child restraint up to 65 pounds. Unique features including a sculpted base, push button release... |
 | |
 | The Marathon is also one of many Britax products renowned for its ability to keep your child in a harnessed restraint up to 65 pounds. Unique features including a sculpted base, push button release LATCH system with patented Versa-Tether®, and... |
 | The Britax Marathon can accommodate children rear-facing from 5 to 33 pounds or children forward-facing from 1 year old and 20 to 65 pounds. The built-in vehicle belt lock-offs are only one of the features that make the Marathon easy to install with... |
 | Free Shipping |
 | The legendary Britax Marathon(TM) convertible car seat is renowned for safety, comfort and convenience, and for the ability to keep your child in a harnessed child restraint up to 65 pounds. Unique features including a sculpted base, push button... |
 | The legendary Britax Marathon™ convertible car seat is renowned for safety, comfort and convenience and for the ability to keep your child in a harnessed child restraint up to 65 pounds. Unique features including a sculpted base, push button release... |
 | |
)
)
)
