Runkeeper's Running Groups keep you motivated
Challenges and chats encourage you to run that extra mile.
Runkeeper is the latest app to be bought by a shoe company
Asics picks up Runkeeper to keep pace with its rivals.
My Asics 2.0 provides adaptive training plans to runners on Android and iOS
Asics has had personalized training plans on its website for a while, but they haven't been much h...