| ~Britax Marathon G4.1 (discontinued) | |
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| BASICS | |
| Carseat Name | Marathon G4.1 |
| CarseatBlog Recommended Seat | |
| Available at | Buy at Amazon.com |
| Available in Canada | |
| RF Weight Limits | 5-40 lbs. |
| RF Height Limits | |
| FF Weight Limits | 20-65 lbs. |
| Age Limits | |
| Type of Energy-Absorbing Foam | EPP foam |
| HARNESS INFO | |
| Carseat Name | Marathon G4.1 |
| No Re-thread Harness? | |
| Number of harness height positions | |
| Bottom/Lowest Harness Slot | 9 in. |
| 2nd Harness Slot or Highest Harness Slot | 17 in. |
| 3rd Harness Slot | |
| 4th Harness Slot | |
| 5th Harness Slot | |
| Closest Buckle Slot | 5.5 in. |
| 2nd Buckle Slot | 8 in. |
| 3rd Buckle Slot | |
| Special Buckle Routing for Small Babies | |
| SEAT INFO | |
| Carseat Name | Marathon G4.1 |
| Inside Shoulder Width | 14 in. |
| Inside Hip Width | |
| Inside Seat Depth | 12 in. |
| Inside Seat Height | 24 in. |
| External Widest Point | 19 in. |
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| Seat Weight | 19 lbs. |
| INSTALL INFO | |
| Carseat Name | Marathon G4.1 |
| Recline Indicator Style | Line |
| Recline Indicator Location | On side of seat |
| Number of RF Recline Positions | 1 |
| Number of FF Recline Positions | 2 |
| Has Anti-Rebound Bar or RF Tether? | |
| RF Lockoff | |
| FF Lockoff | |
| Type of LATCH Connectors | Push-on |
| RF LATCH connectors/belt path are separate from RF seat belt/belt path | |
| FF LATCH connectors/belt path are separate from FF seat belt/belt path | |
| LATCH Weight Limit | 40 lbs. |
| Non-standard LATCH Policy (Can “borrow” LATCH anchors”) | Permitted only in designated LATCH positions |
| Inflatable Seat Belt Policy | LATCH is the preferred method of installation. If LATCH is not an option, leave lockoffs closed and lock seat belt retractor. |
| MISC. | |
| Carseat Name | Marathon G4.1 |
| Cover Removal/Installation | Easy |
| Cover Washing Instructions | Hand wash and air dry |
| Expiration | 7 years |
| Crash Guidelines | Follow NHTSA crash guidelines |
| FAA Certified? | |
| Comments | |
| O Canada | Available in Canada with name “Marathon” or Marathon G4.1; requires anti-rebound bar when rear-facing; FF 22-65lbs. |
| Manufacturing Country | USA |
| CarseatBlog.com Review | Marathon Review Pt. 1, Marathon Review Pt. 2, Marathon Review Pt. 3 |
| Available At | Buy at Amazon.com |
| Price or MSRP | $217.49 |