Hit the ground running with the Action button.

It’s customisable and gives you quick control over a variety of functions, so you can do things like control a workout, move to your next interval, mark a segment and more. All with extreme precision.

All you need is your watch.

Ultra 3 has mobile connectivity built in, so you can stay better connected on the go. With a service plan, you can keep in touch almost anywhere, even if you’ve left your iPhone behind for a run.

Advance with advanced metrics.

Track your progress with metrics like running power and cadence. And if you create a Custom Workout on your watch or iPhone, you can add work and recovery intervals, set a pace for outdoor workouts, and more. You can even get an estimate of your VO2 max after your run.

Track your training load.

Helpful insights from training load show the impact your workouts have on your body over time, so it’s easier to plan when to push and when to rest - especially useful when you’re training for your next big event.

Monitor your Heart Rate Zones.

Quickly see your exercise intensity level with Heart Rate Zones, which are automatically calculated and personalised using your health data. You can adjust them manually or set up alerts.

Run with Race Route and Pacer.

Race Route allows you to race against your last or best time on your favourite runs. Pacer lets you pick a distance and time target for an outdoor run and tells you when you’re on or off track.

Workout media that tunes in to you.

Let Apple Music choose the best playlist based on the workout you’re doing and the music you love. Or simply select a playlist or podcast that’s suggested for you.

Step it up with Strava.

Use the popular app to track your workout and get in‑the‑moment motivation with new Live Segments where you can see your real‑time progress against your personal records. All your workout data automatically syncs with the Fitness app on iPhone.

Meet your new Workout Buddy.

With Apple Intelligence from your nearby iPhone, Workout Buddy delivers personalised audible motivation based on your workout data and fitness history6 - so every pep talk feels truly personal. As always, your data stays private.

Find your Power Zones.

Connect your personal power meter to Ultra 3 to estimate your Functional Threshold Power (FTP), the highest level of intensity theoretically maintainable for an hour. Your FTP enables Power Zones to show your current power, time in a zone and average power.

Watch your cycling metrics on your iPhone.

When you start a cycling workout on Ultra 3, it automatically shows up as a Live Activity on your iPhone - making it easier to see and safer when it’s mounted on your handlebars.

Crank it up with Workout Views.

Want to check your current speed as you ride? Workout Views put your chosen metrics front and centre so they’re easy to track. And it’s simple to switch between metrics like Heart Rate Zones, splits and elevation by turning the Digital Crown.

Master the Multisport workout.

Ultra 3 can recognise when you transition between swimming, cycling and running - and record your metrics for each. Tracking your segments for a triathlon has never been easier.

Make a splash with swim stroke.

When you’re in a pool, Ultra 3 automatically detects your swim stroke, calculates auto sets with distance and pace and provides advanced metrics like SWOLF to measure efficiency.

Know what’s Up Next.

For any Custom Workout you create, the Up Next view allows you to see what’s remaining in your current interval and what you’ll be tackling next. Pro moves.

Retrace your steps with Backtrack.

To get back on route, Backtrack uses GPS data to automatically create a path of where you’ve been when you’re off grid. You can easily add waypoints for locations, like the start of trails or campsites.

Aim higher with a Hiking workout.

Ultra 3 has a Hiking workout that lets you track your pace, distance, elevation gain and calories burned. See how high you’ve climbed in real time and get your total elevation gain when you’re finished. Sky’s the limit.

Download offline maps.

Plan ahead and download a map of where you’ll be hiking on your iPhone. It will automatically sync to your watch, so you’ll know where to go, even when you don’t.

Create waypoints in the Compass app.

Mark your current location or drop one on the start of a trail or campsite. Mobile connectivity waypoints automatically mark your most recent location within your available networks.

Go deeper with full dive capabilities.

Designed with Huish Outdoors, the Oceanic+ app turns Ultra 3 into a fully capable dive computer running a Bühlmann decompression algorithm.12 Turn the Digital Crown to get useful data at a glance. Equipped with all the safety warnings you’d expect, the app constantly calculates and monitors your dive parameters.

Get the Oceanic+ app

Let the Tides app guide you.

Get seven days of estimated information including rising, falling, high and low tides, sunrise and sunset. Check conditions at shorelines around the world or search over 115,000 beaches by name.

Emergency SOS. ASAP.

For urgent help, press and hold the side button on your Ultra 3 to try to call emergency services and share your location.

Fall Detection at the ready.

If Ultra 3 detects that you’ve taken a hard fall, it can automatically help connect you with emergency services, provide dispatchers with your location and notify loved ones.

Crash Detection. Your guardian on the go.

If you’ve been in a severe car crash, Ultra 3 can automatically help call emergency services, share your location and notify your emergency contacts.

When you’re out, Check In.

Your watch can automatically notify someone when you arrive at your destination. And if you’re going for a run after dark, you can start a Check In for the duration of your workout to let your friend know when you’re done.

Activate a siren.

If you need to attract attention when you’re lost or injured, hold down the Action button to activate a siren that can be heard up to 180 metres away.

Torch at the ready.

Illuminate nearby objects, alert others when you’re running at night or shine a light in a campsite. You can also customise the Action button to control it.

Set up your Medical ID.

In an emergency, paramedics are able to quickly access critical medical information - like allergies or medication - directly from your Ultra 3.

Know your body by heart.

The more insights you have, the more empowered you are to take action. From heart health notifications to the Vitals app and more, Apple Watch Ultra 3 provides a bigger picture of your health, so you can stay informed.

Wake up to your sleep score.

Sleep quality is influenced by factors such as sleep duration, bedtime consistency, how often you wake up and time spent in each sleep stage. Sleep score analyses these factors every night and provides a classification and a score. You’ll see how the score is calculated, so you can understand the quality of your sleep and learn how to make it more restorative.

View your daily health status in the Vitals app.

The Vitals app establishes a typical range for each of your overnight health metrics, like your heart rate, respiratory rate, wrist temperature, blood oxygen and sleep duration.14 Track changes over time with a quick glance.

Get heart health notifications.

Apple Watch Ultra 3 uses the optical heart sensor and advanced algorithms to monitor your heart rate throughout the day. Get notified of unusually high or low heart rates with the Heart Rate app.

Track your menstrual cycle.

You can receive a notification if your logged cycle history shows a possible deviation, such as irregular, infrequent or prolonged periods and persistent spotting.

Get retrospective ovulation estimates.

Ultra 3 has advanced sensors that can track your wrist temperature while you sleep.18 The Cycle Tracking app uses this data to provide a retrospective estimate of when you likely ovulated, which can be helpful for family planning.

Measure your blood oxygen. It’s a breathtaking innovation.

The sensor and app in Apple Watch Ultra 3 allow you to take on‑demand readings of your blood oxygen as well as background readings, day and night.