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The Power Of Location-Based Data
Anyone who has used Garmin's Forerunner 205 or 305 already understands the power that attaching location data to traditional measurements like distance, speed, time, calories burned, and heart rate can provide. Knowing exactly where you worked hardest, ran fastest (or most slowly), and lets you tailor your workouts to improve for specific distances, conditions, and types of terrain. It gives a complete picture of how you interact with every portion of your run.
![]() Forerunner 405 comes in two color options — black or green |
![]() Train with a virtual partner |
Watch Results
Loaded with serious training features, Forerunner 405 continuously monitors your time, distance, pace, calories and heart rate (when paired with heart rate monitor). Each run is stored in memory so you can review and analyze the data to see how you've improved.
The high-sensitivity GPS receiver sustains satellite reception, whether you’re tackling a trail or jogging through the urban canyons of skyscrapers. The Forerunner 405 is water-resistant (IPX7) and can be used outdoors or indoors (with an optional foot pod), making it the ultimate year-round, all-weather training tool.
Forerunner 405 is available with or without a heart rate monitor (see the versions tab) to help you make the most out of your training. Versions with a digital heart rate monitor continuously track heart beats per minute. Train in a certain heart rate zone to improve your fitness level or compare your pace and heart rate to past performance on the same run.
The revolutionary patent-pending touch bezel on the face of the watch makes navigating the options easier than ever. Simply by tapping, holding or running a finger along the bezel, runners can begin a new workout, access their training history or challenge a Virtual Partner. The Forerunner 405 makes training with a Virtual Partner easy and efficient. Runners can adjust the Virtual Partner’s pace without stopping in the middle of a workout, and the Virtual Partner is always on and ready for a challenge.
Run, Sync, Store and Share
One of Garmin's most ambitious decisions has been to approach fitness devices as a total platform with their "ANT + Sport" connectivity system. All of Garmin's new fitness devices, including the Forerunner 405, Edge 605 and 705 bike computers, and Forerunner 50 heart rate monitor watches, will interface wirelessly with any devices that are compatible wiht the "ANT + Sport" protocol, including devices from other manufacturers.
Once you’ve logged the miles, the ANT+Sport wireless technology automatically transfers data to your computer when the Forerunner is in range. No cables, no hookups. The data’s just there, ready for you to analyze, categorize and share through Garmin's online community, Garmin Connect or optional Garmin Training Center software. You can wirelessly send workouts from your computer to Forerunner, too.
Share Wirelessly
With Forerunner 405 you can share your locations, advanced workouts and courses wirelessly with other Forerunner 405 users. Now you can send your favorite workout to your buddy to try, or compete against a friend's recorded course. Sharing data is easy. Just select "transfer" to send your information to nearby units.
Cross-Train
Take your training inside with the versatile Forerunner 405. Pair it with an optional foot pod to track your speed, distance and running cadence indoors when a GPS signal is unavailable. This new design clips onto your laces for easy removal and automatically turns on when you start moving. You can also add a speed/cadence bike sensor to track the speed and distance of your cycling workouts.
Be Part of A Community
In 2007, Garmin acquired Motion-based, the largest shared repository of customer-generated gps-based routes, courses and maps. This was a significant move for Garmin to support the gps user community and bring a wealth of route options to gps users. With a simple connection to your computer, you can join a worldwide network of cyclists and outdoor enthusiasts through Garmin Connect our new, one-stop site for data analysis an sharing.
You can also upload to optional Garmin Training Center software for further analysis. Garmin Training Center stores large quanities of workout and ride data. Some of the things you can do are
What's In The BoxForerunner 405, USB ANT stick, Heart Rate Monitor, AC adapter, Charging clip, Owner's manual, Quick reference guide
Physical & Performance: |
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| Unit dimensions, WxHxD: | 1.88" x 2.78" x 0.646" (4.8 x 7.1 x 1.6 cm) |
| Display size, WxH: | 1.06" (2.7 cm) diameter |
| Display resolution, WxH: | 124 x 95 pixels |
| Touchscreen: | no |
| Weight: | 2.11 oz (60 g) |
| Battery: | rechargeable lithium-ion |
| Battery life: | 2 weeks in power save mode; 8 hours in training mode |
| Water resistant: | yes (IPX7) |
| GPS-enabled: | yes |
| High-sensitivity receiver: | yes |
Maps & Memory: |
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| Basemap: | no |
| Ability to add maps: | no |
| Accepts data cards: | no |
| History: | 1000 laps |
| Waypoints/favorites/locations: | 100 |
| Routes: | 0 |
Features & Benefits: |
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| Heart rate monitor: | yes (some versions) |
| Bike speed/cadence sensor: | yes (optional) |
| Foot pod: | yes (optional) |
| Automatic sync (automatically transfers data to your computer): | yes |
| Garmin Connect™ compatible (online community where you analyze, categorize and share data): | yes |
| Virtual Partner® (train against a digital person): | yes |
| Virtual Racer™ (compete against other activities): | no |
| Courses (compete against previous activities): | yes |
| Auto Pause® (pauses and resumes timer based on speed): | yes |
| Auto Lap® (automatically starts a new lap): | yes |
| Auto Scroll (cycles through data pages during workout): | yes |
| Multi-sport (changes sport mode with a press of a button): | no |
| Advanced workouts (create custom, goal-oriented workouts): | yes |
| Pace alert (triggers alarm if you vary from preset pace): | yes (for advanced workouts only) |
| Time/distance alert (triggers alarm when you reach goal): | yes (for advanced workouts only) |
| Vibration alert: (choose between alert tones and/or vibration alert): | no |
| Interval training (set up exercise and rest intervals): | yes |
| Heart rate-based calorie computation: | no |
| Swim metrics (stroke type, stroke count and pool lengths): | no |
| Training Effect (measures impact of an activity on your aerobic fitness): | no |
| Customizable screen(s): | yes |
| Barometric altimeter: | no |
| Unit-to-unit transfer (shares data wirelessly with similar units): | yes |
| Power meter compatible (displays power data from compatible 3rd party ANT+™-enabled power meters): | no |
| Temperature (displays and records temperature while you ride): | no |
| Shock Resistant: | yes |
| Sport watch: | yes |
| Additional: |
Watch functions include dual time, date and alarm. Garmin Connect and Garmin Training Center are compatible with Windows® XP or newer and Intel-based Mac running OS 10.4.11 or later with Safari. |