Tech Test Long Run
Workout - Tech Test Long Run
- 10min @ 6'15''/km
- 5.0km @ 5'40''/km
- 5.0km @ 5'50''/km
- 5.0km @ 5'40''/km
- 10min @ 6'45''/km
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The Running Channel’s video I Ran An Ultramarathon In The Apple Watch Ultra has some practical insights. Here’s what stood out, with tips you can apply to your training right away. Watch the full video for a complete walkthrough.
Key points
- During a 50 km (about 31 mi) run, expect roughly 10% battery drain per 10 km, leaving about 70% at the 30 km mark.
- Six dedicated screens show real-time data (heart rate zones, cadence, power output), which makes it easy to dial in your pace.
- Mark a waypoint with the Backtrack feature and follow the same path back. This is handy on looped courses.
- Receive and respond to messages and alerts on the go without stopping to reach for your phone.
- A 90 dB siren that carries up to 500 m gives you an emergency alert option.
- For city marathons it works well, but ultramarathons may warrant a dedicated GPS watch with extended battery life (like the Garmin Enduro).
Workout example (from James’ 50 km test)
- Start an “Outdoor Run, GPS” workout.
- Run 10 km segments and check battery level between splits (expect about 10% drain per segment).
- Mark the beginning of each loop with Backtrack to make finding your way back easier.
- Track heart rate, cadence, and power output across the dedicated screens to keep your target effort level.
- Use on-run notifications to answer messages and receive alerts without taking out your phone.
- Around the 30 km mark, activate the siren to check it works (audible to 500 m away).
Closing note
Apply this split-and-monitor approach to your next long run, adjusting distances and tempos to match your training goals in the Pacing app. The Ultra works well for city marathons and moderate-length ultras. For longer events, factor battery life into your choice.
References
- I Ran An Ultramarathon In The Apple Watch Ultra - YouTube (YouTube Video)