Nike has added a new Nike+ Challenges feature to its iPhone app, allowing users to compete against their friends for medals.
Users create their own challenges, set a distance goal, and then invite friends. The app includes messaging capabilities so you can trash talk and/or encourage your fellow runners, and the winning runner will receive a medal.
Previously, the app had limited competition features in the form of leaderboards for most runs and farthest distance, but Challenges adds a deeper social element to it. Nike clearly realizes that half the fun in running is being able to gloat to your friends about it.
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