The RunKeeper + WordPress Activity Feed plugin automatically posts RunKeeper Activities straight to your blog. All you need to do is activate the plugin and connect your account. After that, track your activities with RunKeeper and they'll show up on your WordPress site for everyone to see!
The RunKeeper + WordPress Activity Feed plugin also includes widgets for showing off your stats on the site. Currently you can setup a Records widget to display various achievements per activity. A widget for activities is also in the works so stay tuned!
You must be redirected from your WordPress Admin area to authorize the plugin.
If you're having problems, report them at the issue tracker.