The part of your foot that lands firstly on the ground when running has big implications to injury and performance. It turns out that making initial ground-contact under the 5th-4th toes (lateral forefoot) is an all around safer, more functional landing strategy of the foot than striking big-toe-first, or heel-first (heel strike) when running. Read more here about the proven advantages and mechanical relevance of making initial ground-contact on the outside of the forefoot during running. 
What Part of Your Foot Should You Land on When Running?
