On average though, a male gorilla will only weigh around 310 to 440 lbs (more or less), and females average only about 220 lbs. Males never exceed 6 feet in height, only average around 5 ft 3 in to 5 ft 9 in. Females may grow to only 4 ft 7 in tall.
Wearing a weighted vest while running certainly has many advantages and can help improve the strength, endurance and the fitness of a runner. If you would like to try running with a weighted vest to see if it benefits speak to your trainer/coach and look into the best vest for you.
He ended up having to get both hips replaced later in life due to the unnatural stresses the ankle/wrist weights put on his body. If you do add weight, use something like a weighted vest. It provides a more natural balance of weight and doesn't interfere with the normal motion of your legs and arms. Additionally, you can add more weight when it is close to your body than you can at your ankles and wrists, providing a better advantage.