forerunner
forerunner 255

Hiking
Trail running
Training

Watches
Wrist Heart Rate monitors

Bluetooth
GPS
HRM

Crossfit / Training
Cycling
Gym / Fitness
Running
Swimming
Triathlon
Walking
Weightlifting
Yoga

Intensive (more than twice a week)
Occasional (1 to 2 times a month)
Regular (once or twice a week)