Long runs, tempo runs, speed drills. You expect a lot from your body…and from your training gear. Meet Forerunner 405. This GPS-enabled sport watch tracks your training, then wirelessly sends your data to your computer. The ultimate in training technology, its sleek design features a touch bezel that lets you quickly scroll and select features on the run.

Watch Results

Loaded with serious training features, Forerunner 405 continuously monitors your time, distance, pace, calories. Each run is stored in memory so you can review and analyze the data to see how you've improved. You can even download recorded courses to compete against previous workouts or race a Virtual Partner®. Customize Forerunner’s data screens for instant feedback while you train.

Use with Ease

Sport watch and personal trainer — Forerunner 405 gives you the best of both worlds in a sleek, stylish package. This high performance watch is easy to use and comfortable to wear when not training. Simply tap the touch bezel to change screens without fumbling for a button.

Run, Sync, Store and Share

Once you’ve logged the miles, innovative 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. 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.

Lock Onto Satellite Signals

Forerunner 405 sports a unique design that gives the GPS antenna a better view of the sky, so it can get a stronger signal during your run. And its high-sensitivity GPS receiver provides improved tracking under trees and near tall buildings.