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while Weightlifting can make you stronger it is not recommended to start lifting heavy weights until you reach high school so the best thing to weight lift now is low weight and a lot of reps until you are about 15 years old then you can up the weight and lower the reps. but in answer of your questiong the goal is usually 125% of your body weight or in your case around 112.5 pounds would qualify you for presidential standards which should meet any school standard for an "A"

I started lifting just before 11, and I turn 13 in under a month (January 30th). I am in the 7th grade. At just about 13, I weigh 89-90 lbs. exactly, and I'm 5'3. My one rep max is 115 lbs, but I have been coming really close with 120, like so close that the only reason I didn't get it was because my bench was too far in and so when I pushed the weight up, it hit the holding racks and I couldn't move it so it dropped. But anyways, benching 25-30 pounds over body weight is a lot more than any of my friends can do, so I'd say I'm way above average for my weight (in my opinion). 13 isn't too young to be lifting so as long as you are careful. I've grown 2 or 3 inches in the last year, and my grandparents who come every year at Christmas couldn't believe how big I was, so you ain't going to stunt your growth if you're smart about lifting. If you are just starting you probably won't be getting a lot of weight unless you are naturally strong. Try to work to your body weight and the rest will come. I've gained nearly at least 35 lbs. in bench press since last January.

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14y ago
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15y ago

140 pounds because you should bench 20 pounds more then your body weight

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13y ago

this depends on how many reps you are trying to do , however i would say for one rep maybe 75 pounds

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15y ago

122

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Q: How much should a 13 year old 90 pound boy bench press?
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