Ozarka Brand Natural Spring Water is proud to be the official bottled water of the Nike + Human Race 10K Austin. Having supported various running events from 5Ks to half-marathons in the past, Ozarka knows the importance of keeping runners hydrated, and is excited to do its part along Nikes 6.2-mile course. Ozarka is also doing its part to help better the environment by minimizing its carbon footprint with its Eco-Shape half-liter bottle. The Eco-Shape bottle is made with an average of 30% less plastic versus comparable size leading beverage brands, making it lighter in your hand and lighter on the environment. Please remember to recycle. Ozarka Brand Natural Spring Water. A little natural does a lot of good.