The National Geographic Earth Run 2012 will be held in April 22, 2012 at Fort Bonifacio Global City. Registration is still ongoing until April 15, 2012. You may still register online or register in Greenbelt 3, Ground Floor Left Wing.
For more details check out this link.
But for lucky four people, they will be getting free kits from Nat Geo and they are....
3k - Elinida Lopez Dy
5k - Richard Loresca
10k - Floyd Gonzales
21k - Jamaica Malang
Congratulations! I'll be sending you an email on how to claim your kits soon.