Garmin Forerunner 35

Works with: iPhone and Android
Display: 0.93 in
Case sizes: 35.5 mm
Battery: 9 days
GPS battery: 13 hours
Weight: 37.3 g

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Garmin Forerunner 35 at a glance

Battery

About a week

Up to 9 days in smartwatch mode. 13 hours with GPS.
GPS

Built-in GPS

No maps. Runs and rides without your phone.
Health

Heart rate and activity

Heart rate, steps and sleep.
Phone & smart

iPhone and Android

Notifications from your phone.
Build

37.3 g

37.3 g.

Garmin Forerunner 35 full specifications

Overview

Brand	Garmin
Model	Forerunner 35
Series	Forerunner

Platform & apps

Works with iPhone and Android phones, running Garmin.

Operating system	Garmin
Works with	iPhone and Android

Display

Screen size	0.93 in
Resolution	128 x 128

Design & durability

A 35.5 mm case weighing 37.3 g.

Case sizes	35.5 mm
Dimensions	35.5 x 40.7 x 13.3 mm
Thickness	13.3 mm
Weight (case)	37.3 g
Lens	chemically strengthened glass
Band material	silicone
Fits wrists	140-200 mm

Battery

About a week: up to 9 days in smartwatch mode.

With GPS on, up to 13 hours. Makers test with their own settings, so treat these as best-case figures.

Battery (smartwatch mode)	9 days
Battery (GPS)	13 hours
All battery modes	Smartwatch: 9 days; GPS: 13 hours

GPS & navigation

Built-in GPS, so you can record runs and rides without your phone.

GPS	Built-in
Satellite systems	GPS

Health & sensors

Tracks heart rate and activity.

For sleep, it offers sleep stages.

Sensors	optical HR, accelerometer
Heart-rate sensor	Garmin Elevate
Heart-rate tracking	24/7
Sleep tracking	Sleep stages
Cycle tracking	Yes

Training

Auto activity detection	Yes
Training metrics	VO2 max
Heart-rate broadcast	Yes
External sensors	ANT+, foot pod, speed/cadence

Smart features

Notifications	Yes
Find my phone	Yes

Specs compiled from Garmin's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.