WhichOneToGet
Compare Β· Updated 19 Oct 2026

Garmin Forerunner 170 vs Garmin Forerunner 970

Get the Forerunner 170. Unless you train for triathlons or run trails with maps β€” then the Forerunner 970 does both.

Garmin Forerunner 170
Our pick

Garmin Forerunner 170

The best running watch for less: light, accurate, with an AMOLED screen, daily suggested workouts and about 10 days of battery. Single-band GPS and no triathlon mode.

Garmin Forerunner 970

Garmin Forerunner 970

The best watch for serious runners and triathletes: about two weeks of battery, maps, dual-band GPS, a flashlight and the most detailed training advice. Pricey.

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The short answer

Both work with iPhone and Android, use Garmin's training advice and last days between charges. The 970 adds maps, dual-band GPS, a flashlight, a triathlon coach and about five more days of battery, for well over twice the price.

Get the Forerunner 170 if
  • β€”You run a few times a week and want to improve.
  • β€”You want a light watch.
  • β€”You want to spend far less.
Check price at Best BuyBuy β†—
Get the Forerunner 970 if
  • β€”You train for races or triathlons.
  • β€”You run trails and want maps.
  • β€”You want the most detailed training advice.
Check price at Best BuyBuy β†—

Key differences

GPS
Single-band; less precise among tall buildings and trees
Forerunner 170
Dual-band
Forerunner 970
Maps
No
Forerunner 170
Colour maps with turn-by-turn directions
Forerunner 970
Triathlon
No triathlon mode
Forerunner 170
Triathlon coach
Forerunner 970
Battery
About 10 days
Forerunner 170
About 15 days
Forerunner 970
Comfort
Light and comfortable
Forerunner 170
Chunky on smaller wrists
Forerunner 970

Pros and cons

Garmin Forerunner 170
  • +Daily suggested workouts
  • +About 10 days of battery
  • +Light, with a sharp screen
  • βˆ’Single-band GPS, less precise among tall buildings and trees.
  • βˆ’No triathlon mode, maps, microphone or Wi-Fi.
  • βˆ’Uses Garmin's older heart-rate sensor.
Garmin Forerunner 970
  • +About two weeks of battery
  • +Maps and dual-band GPS
  • +Most detailed training advice
  • βˆ’Chunky on smaller wrists.
  • βˆ’Expensive.
  • βˆ’Some running-economy metrics need Garmin's chest strap.
  • βˆ’Smartwatch apps are basic next to an Apple Watch.

Ready to choose?

How we reached this verdict

We compared independent expert reviews with the manufacturer's specifications, then checked it's sold at a major retailer where you live. We don't test products ourselves.

Sources: Tom's Guide, TechRadar, TechRadar, manufacturer specifications.

Updated 19 Oct 2026How we decide