National Geographic Earth Day Run 2015 or NatGeo already released their singlet and finisher shirt designs for their this year's marathon. It's a combination of black and yellow which is also the color theme of Runner Rocky. :)
Well, check out the designs of the singlet and finisher shirt below for 21K and 42K categories:
On my next post, I will share with you the registration and event details. So stay tune runners! - Runner Rocky