Loxi - Easily add an events calendar to any website.
SyncMyTracks - Sync your activities of the most popular sports tracking services.
Event Calendar App - A simple, easy to manage, way of displaying events
tapiriik - Automatically synchronize your fitness activities between Garmin Connect, Runkeeper, Strava and more.
Whenever - Casual calendar app for iOS
FitnessSyncer - Make Sense of Your Health and Fitness Data