Trail Ride app for iPhone and iPad

Overview -

Keep track of your single track adventures.
Distance, vertical, and elapsedtime of rides is tracked.
Take photos and videos.
Cumulative and ride distance
Import and export gpx and kml/kmz files from other Apps or GPS using email or iTunes.
Download routes from the web.
Upload to Facebook.
Convert tracks to routes.
Save waypoints.

Warning: "Continued use of GPS running in the background can dramatically decrease battery life."

Controls -

Swipe across speedometer to start or stop tracking.
Double tap on speedometer to create a new ride, track or waypoint.
Pinch and scroll on speed and altitude graphs
Double tap on graphs to toggle between current ride and saved ride from bookmarks..