Mi Fit - Mi Fit is a band to monitor your health and fitness level on daily basis.
Garmin Forerunner 935 - A smartwatch for runners ⌚🏃
Strava - The #1 app for runners and cyclists
TomTom Spark 3 - The Spark 3 is a good fitness tracker for triathletes. It also features a unique and very simple-to-use tracking system. If you're prepared to pay extra, you can get a model with a heart rate monitor and music playback.
fitbit - The Fitbit mobile app is for people who use Fitbit fitness trackers to keep track of their activity goals, food plans, and other fitness related things. Read more about fitbit.
Apple Watch Series 3 - Apple's newest internet-connected smartwatch