Garmin Forerunner 305

1 review
5-star:   1
4-star:   0
3-star:   0
2-star:   0
1-star:   0


Weight 2.72 oz / 77 g
Dimensions 2.1 in x 2.7 in x 0.7 in / 5.33 cm x 6.86 cm x 1.78 cm
Display Size 1.3 in x 0.8 in / 3.3 cm x 2.0 cm
Display Resolution 160 x 100 pixels
Touchscreen No



I had given up on finding a wrist-mounted, relatively…

Rating: rated 5 of 5 stars
Price Paid: $230

I had given up on finding a wrist-mounted, relatively accurate GPS for trail running after a pair of less-than-stellar experiences with Suunto products, first an x9i and then an x10 sent to replace it (see my other review on the x10).

The Garmin Forerunner 305 is exactly what I needed and the performance was outstanding. I can now get my heartrate information and navigational assessment needs all in one easy-to-use package. The customizable display is particularly useful as I can set it up to show up to three data fields simultaneously.

The unit's performance is where the 305 really shines, though. The 305 gets a fix within a couple of minutes (versus 25+ for the x9i and 10+ for the x10). It even gets a fix in very overcast conditions (I've had mine fix successfully during a thunderstorm) and I've never lost the signal, even in the densest treeline.

The accompanying software package, Garmin Training Center, is geared toward the athlete rather than the outdoor enthusiast, but the Runner features would work well for hikers, recording distance, elevation gain, slope grade, etc. I never go for a run without my 305 now, to include street running when I can't hit the trails.

While not as accurate as my Garmin GPSMAP60csx, it's a lot light and easier to use on the go. The large display was another great feature, as I can see the display without having to wear my bifocals.

Manufacturer's Description

Visit Garmin's Forerunner 305 page.

Retailers' Descriptions

Here's what other sites are saying:

The waterproof Garmin Forerunner 305 is not only an advanced GPS unit that's small enough to fit on your wrist, it's also a personal training system and heart rate monitor that provides you with speed, distance and pace information to help you train at your peak.

- Mountain Gear

This compact wrist-top Garmin Forerunner 305 GPS fitness trainer utilizes a highly sensitive tracker and heart rate monitor to advance your training to new heights. Easy-to-use right out of the box, no pace-setting calibrations necessary; GPS satellites calculate speed, distance and pace information. SiRFstar(R) receiver provides rapid first fix and is sensitive enough to acquire signals in urban canyons and under dense foliage. Compact wristband monitor has an easy-to-read display. Wireless heart rate transmitting chest strap has a soft, comfortable strap; digitally transmits to the wrist unit. Navigation capabilities let you mark locations, find locations or navigate back to the starting point. Calculates calorie consumption based on user's weight, distance traveled and hills climbed. Records lap history by day and week, stores up to 200 workouts in its memory. Free online training log, interactive mapping and performance analysis at the Garmin Connect community website. Pace alarm sounds if you're running either faster or slower than your programmed pace. Time/distance alarm alerts when you've reached a desired time or distance. Display is backlit for easy viewing in low light. Optional foot pod (sold separately) transmits speed/distance data without the use of satellites, so the Forerunner 305 can also be used indoors. Forerunner 305 tracks your cycling workouts when paired with a GSC 10 Speed and Cadence Sensor, sold separately. Water-resistant construction meets IPX7 standards (submersible 1m for 30 min.). Operates approximately 10 hrs. on its rechargeable lithium ion battery; A/C charger included. Includes: GPS unit, heart rate monitor, wristband, PC USB interface cable, charger, CD-ROM, manual and quick-start guide.


Great for trail runs, adventure races and dedicated outdoor training routines, the Garmin Forerunner 305 combines a heartrate monitor, memory chronograph and GPS so you can download your previous times for specific courses and compete against yourself for a new personal best. The new version of the Forerunner 305 has a redesigned heartrate monitor chest strap that's softer so you can add more distance without feeling burned by friction against your skin. Unlike other GPS designs, the Forerunner 305 is for racing and running, so Garmin created a high-sensitivity GPS receiver that allows for faster acquisition times so you can track your progress better than the stuff made for hiking and boating. The GPS antenna wraps around your wrist for a better and more consistent sky view, so the satellite reception remains consistent throughout your runs and bike excursions. You can also customize readouts with up to 12 individual data fields on three separate screens so you always have the information that you need the most when you need it. Input your body weight and the Forerunner 305 will calculate calories burned, along with your speed and overall pace. When the workout is over, download all of the information to your computer and the included Garmin Training Center software so you can track your results and set new training goals. The Forerunner 305 software is also completely compatible with Garmin's, a special website that analyzes workouts with online mapping and even route sharing among other fitness enthusiasts. Whether you're embarking on a serious training program to feel better and live longer, or you're looking for an extra performance edge in serious adventure racing, the Garmin Forerunner 305 measures up to the highest standards of athletes of all levels.

- Altrec Outdoors

Form meets function with Garmin's high-performance line of personal trainers

- Rocky Mountain Trail

Garmin Forerunner 305


The Garmin Forerunner 305 is not available from the stores we monitor. It was last seen January 15, 2013 at Mountain Gear.

If you're looking for a new gps receiver, check out the best reviewed current models.