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{{DISPLAYTITLE:Garmin Epix Review}}
[[File:GarminEpix.jpg|thumb|right|200px|The {{Garmin Epix}}, showing a topo map.]]
The Garmin Epix is the [[Best Running Watch| top of Garmin's GPS watch line]]. The Epix has nearly all of the functionality of the [[Garmin 920XT]], plus support for full color maps. Having a good map display is great for both urban and wilderness runners when they're in unfamiliar surroundings. The Epix includes [[Connect IQ]] that allows it run applications, much like a smartphone. Its clear display, real buttons, touchscreen, map display and rich functionality make it one of the best watches if you can afford it and are okay with the poor GPS accuracy and its bulk. One caveat is that Garmin seems to be forgetting about the Epix, with few firmware updates. For a simple evaluation of a GPS watch, I look at how well it can answer some basic questions:
* '''How far did I run?''' This is the most basic question, and sadly, the Epix has rather poor [[GPS Accuracy]], and while firmware updates might improve this slightly, I doubt it will get close to the accuracy of the [[Polar V800]]. It looks like activating GLONAS and WAAS improves accuracy, it's still not great. How big a problem this is for you will depend on the type of course you're running, but if this is important to you, look for a more accurate watch.
* '''How fast am I running?''' Knowing how fast you're running can be a nice to know, or it can be vital for your training or race performance. Because of the nature of GPS, watches that rely on GPS signal alone tend to have serious problems with current pace. Thankfully, the Epix is one of the few devices that will display current [[Pace From A Footpod]] while getting all other data from GPS.
* '''Where am I? '''The Epix has is as good as it gets for navigation. It includes:** '''Color Maps'''. You'll see full color maps, rather like a smart phone, with roads and paths marked out. ** '''Track Outline'''. There is a display of where you've run, rather like a breadcrumb trail. This outline is superimposed over the ability color maps, and you can use it to backtrack along your path. ** '''Course Outline'''. This is an outline of a route that can be downloaded. I've found this useful during ultras or in unfamiliar cities where I've needed to know where to download go. ** '''Back To Start'''. This is a coursesimple arrow point to your starting point, so it won't help you backtrack. ** '''Back To Waypoint'''. You can mark a location and use the arrow to give directions back point to the startit later. This Again, this is a simple "as good as it getsthe crow flies" pointer. ** '''Compass'''. A magnetic compass can help you orient yourself or the map. Without a magnetic compass you have to be moving for the GPS to give you a sense of direction.
* '''What's my cadence? '''[[Cadence]]''' '''is one of the most critical and often overlooked aspects of running. If you get your Cadence right, many other things naturally fall into place. Not only does the Epix get [[Cadence]] from a [[Footpod]], it will also get it from the Garmin Run Heart Rate monitor. There is also support for Cadence from the internal accelerometer, though I find that's not as accurate. The Cadence alerts are especially useful for keeping you on track.
For ultramarathon running the battery life of the Epix makes it a strong candidate, especially with the mapping functionality. If you hope to be still moving during the [[Second Dawn]], the Epix might be for you. See [[Best Running Watch#Watches for Ultrarunning| Watches for Ultrarunning]] for more details.
* The Epix is larger than devices like the [[Garmin 620]], and it doesn't look like a traditional watch in the way the [[Garmin Fenix 2]] does. However, I have tiny wrists (less than 6 inches) and I found Epix is quite comfortable, with a strap that works better than most I've tested. The Epix fits my wrist far better than the [[Polar V800]] which I have to wear over a sweatband.
* The color display on the Epix has much richer colors than some of Garmin's earlier watches. In other sports watches I don't think that color adds much functionality, but it's vital for the Epix to be able to display maps. The font sizes are mostly easy to read, though occasionally I've struggled. The Epix has exactly the same size and resolution display as the [[Garmin 920XT]].
* Like the [[Garmin 620]], [[Garmin Fenix 23]], and the [[Garmin 920XT]], the Epix will supports [[Running Dynamics]] which can show and record [[Cadence]], Vertical Oscillation (VO) and Ground Contact Time (GCT). However, Garmin has not added the latest Running Dynamics metrics.
* The Epix can be configured to alert you when a metric is out of range. The alert for [[Cadence]] is particularly useful. The Cadence alert will work when it's using the internal accelerometer for Cadence, as well as the HRM-Run strap or a Footpod.
* There is a metronome to help you keep your Cadence where it should be, which is a really nice feature. The metronome can be set to make a sound and/or vibrate. The vibration option is nice so you don't annoy people you're running with. You can set the alert to go off every second, fourth, or sixth beat.
* There is also support for the [[Firstbeat| Firstbeat Estimate of Recovery Time]] before the next workout, which I also like, though you have to take this with a large pinch of salt.
* The Epix will cache the GPS satellite locations for the next few days to reduce startup time. This is particularly useful when travelling to a new location as older devices can take minutes to get a fix when travelling. I hate standing around on a street corner in the cold, dark, early hours of the morning waiting for my watch to tell me I can start running. In my testing the satellite acquisition was generally very rapid, and the Epix is sensitive enough to get a fix inside my house. However, I have had issues with the Epix acquiring a signal near tall buildings, more so than other devices I've tested.
* There are five real buttons as well as a touchscreen on the Epix, which is a great combination. The touchscreen allows you to press and hold on a displayed value to change it while you're running, something I've really liked. I've had no issues with the Epix in the rain, but I've had several reports from runners who've had problems.
* The prediction of your [[VO2max|V̇O<sub>2</sub>max]] worked well for me, but I would not rely on its accuracy.
* The Epix will upload your workouts to Garmin Connect via USB, or via a smart phone and Bluetooth. The smart phone can upload a workout as it takes place, which is nice for folks tracking you during a race, though it means wearing the watch and the phone together. If you plug the Epix into a computer it will function as a flash drive, giving you direct access to your workouts as '.FIT' files. The FIT files provide compatibility with a huge range of software. One of the few things that are in the [[Garmin 920XT]] and not in the Epix is the ability to upload workouts over WiFi, which was nice.
