New Foursquare Badge – Marathon (Runkeeper.com)
Badge Message – “You finished a marathon (that’s twenty-six point two miles, friend), and all you got was this badge. Oh wait… and that INCREDIBLE feeling of accomplishment! Way to go!”
This badge is unlocked by running a Marathon distance (26.2 mi) and logging it with runkeeper.
Runkeeper for Android devices can be found here.
Runkeeper for iPhone devices can be found here.
Go to runkeeper.com and create an account.
Make sure to link your foursquare account at the runkeeper.com website.
When you are logging your marathon run make sure you are logging 26.2 miles. Anything much over will not trigger the unlock.