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.
Try out 30-second punching sprints to build arm endurance. Using a heavy bag, take 30 seconds to throw as many punches as you possibly can. Focus on speed, not power, as you throw the punches. After 30 seconds, rest for 30 seconds and then repeat 4-5 more times.