The best way to protect your legs from pain and injury when running is to avoid heel striking and land with a forefoot strike. This is because forefoot running’s biggest claim to fame is it engages more functional mechanics, including safer shin, knee and torso angles that are directly responsible for either preventing or reducing the injurious risk factors linked to heel strike running! Additionally, forefoot running is more economical because it enhances the elastic power of the arch and Achilles tendon, while reducing impact severity on these areas, too! Read more here! 
How Can I Stop My Legs From Hurting When I Run?
