This application has been designed for ultra-runners who want to use their AppleWatch during their ultra-trail workout. The application includes a specialized cartography and a simple interface which allows you to concentrate on your run.

IMPORTANT: To support very long runs, the workout is recorded by the iPhone. The AppleWatch is used for displaying the metrics, the cartography and to record heart rates but is not mandatory and can be charged during the run without interrupting the recording. Thus it is not possible to use the AppleWatch without the iPhone.

Features include:
- Customizable iPhone and AppleWatch screens
- Many metrics available:
- Time and Distance
- Positive and negative elevation
- Pace and speed (actual, mean, ...)
- Specialized cartography
- GPX track display, including elevation graph if available in the GPX:
- More than one GPX track can be loaded and displayed.
- Each GPX track loaded can have a different color.
- GPX track based metrics always aligned with the race profile:
- travelled distance, positive and negative elevation
- Remaining distance, positive and negative elevation
- Elevation graph display on the iPhone and AppleWatch:
- Elevation graphecan be customized with user defined colors and slope ranges.
- Trail run recording with Apple HealthKit support (up to 4 days long).
- Heart rate colored zones (Premium)
- Phone and Watch battery status display on the AppleWatch.
- AppleWatch Ultra Action button support for workout start and lap.
- Stop button is protected by a random code to avoid any unexpected recording stop.
- Recovery procedure to continue a recording in case you forgot to charge your iPhone during a multi-day race.
- Low power consumption allows to record a 44 hour race with only a 5000mAh external battery connected to a fully charged iPhone Pro 14 in battery economy mode.

Premium functionalities will require a subscription in future versions.