I've run 50+ races (including two Boston Marathons) with a running watch. Read my Garmin Forerunner 235 review and why I haven't splurged for a newer model.
Garmin Forerunner 235 Review: A Smartwatch for Runners
Garmin Forerunner 235 Review – The Runner's Plate
The best running watch: Garmin Forerunner 235 review - Run With
Garmin Forerunner 235 Review Fitness Tech Review
Garmin Forerunner 235 Review – The Runner's Plate
Garmin Forerunner 235 review from a marathon runner - Foodie Stays Fit
The best running watch: Garmin Forerunner 235 review - Run With
GEAR REVIEW: Garmin Forerunner 235 Fitness Tracker Watch
Garmin Forerunner 235 review from a marathon runner - Foodie Stays Fit
Garmin Forerunner 235
Garmin Forerunner 235 Review: A Smartwatch for Runners
Garmin Forerunner 235 review: The best watch for casual and