Help with training for football for running back?

Question

im 14 years old and going to be a freshman in highschool and im a big football player but the thing is im a running back but im not good at running long distances how or what can i do to be able to run longer distances and also is there anything else i can do to help run quicker also i have a gym member ship thanks

Answer 1

run daily 2-4 miles

stretch

yoga

protein

eat right

core exercises (runnersworld.com has some great ones)

7-8 sprints

swim

bike

walk

Answer 2

Jump rope - Helps agility

Run stairs - Builds stamina and agility

Sprint - Most times when you get out of the backfield you are sprinting, not running.