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Polar Grit X2 Pro vs Suunto Race 2

Quick verdict

Polar Grit X2 Pro43 h GPS64 gAMOLED

Choose the Polar Grit X2 Pro if…

  • You prioritise the best sleep and recovery analysis on the market
  • You want sapphire glass and Polar's adaptive plans
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Suunto Race 255 h GPS65 gAMOLED

Choose the Suunto Race 2 if…

  • You need more battery: 55 h of GPS and 18 days in watch mode
  • You value very clear, direct map navigation
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For maximum autonomy on long ultras, Suunto Race 2 lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Polar Grit X2 Pro. On budget, Suunto Race 2 is the more affordable option.

Polar Grit X2 Pro or Suunto Race 2? GPS battery (43 h vs 55 h), weight (64 g vs 65 g), maps and multi-band, with a clear verdict and a check of whether each lasts your whole race.

Pick by what you need

  • If you run ultras or very long outings (55 h of GPS) → Suunto Race 2
  • If you want to save without giving up the essentials → Suunto Race 2

Radar: where each watch wins

Absolute 0–100 scale, no exaggerated gaps: a tie stays a tie. Suunto Race 2 leads on 2 of 6 axes.

Radar of Polar Grit X2 Pro versus Suunto Race 2Six axes: GPS battery, everyday battery, lightness, maps, multi-band GPS, and display with extras.GPS batteryEverydaybatteryLightnessMapsMulti-bandGPSDisplay& extras
Radar of Polar Grit X2 Pro versus Suunto Race 2
AxisPolar Grit X2 ProSuunto Race 2
GPS battery36/10046/100
Everyday battery33/10060/100
Lightness52/10050/100
Maps100/100100/100
Multi-band GPS50/10050/100
Display & extras50/10050/100

GPS: 120 h = 100 · Weight: 35 g = 100, 95 g = 0 · Multi-band: by its battery (60 h = 100) · Display: AMOLED + music.

Spec-by-spec comparison

SpecPolar Grit X2 ProSuunto Race 2
GPS battery43 h55 h
Multi-band batteryYesYes
Smartwatch10 days18 days
Weight64 g65 g
Maps✓✓
Multi-band✓✓
Music––
DisplayAMOLEDAMOLED
PriceHigh-endMid-range
Where to buyView on Amazon(opens in a new tab)View on Amazon(opens in a new tab)

GPS battery = each manufacturer's standard GPS mode; multi-band = dual-frequency (maximum accuracy). On Suunto, Polar Grit and Amazfit T-Rex the GPS figure already corresponds to dual-band mode. Figures verified against the manufacturer.

Polar Grit X2 ProPolarPolar Grit X2 Pro

Polar's adventure multisport watch: 1.39" AMOLED display with sapphire, dual-frequency GPS and full-colour offline topo maps. 43 h of battery in training mode and MIL-STD-810H military standard. Top-tier recovery and training metrics for demanding trail and outdoor use.

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Suunto Race 2SuuntoSuunto Race 2

Racing watch with a 1.5" 2,000-nit AMOLED display, dual-band GPS and free offline maps. Up to 55 h in the most accurate mode and 18 days in smartwatch mode. Rotating crown, 115+ sport modes and 32 GB of storage for maps. A lot of watch for the money versus Garmin.

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Will it last your race? Real battery across 300 races

We estimated a mid-pack runner's finish time for every race in our calendar (distance, elevation and terrain) and added a 25% safety margin. Here's the result:

Polar Grit X2 Pro lasts 285 of 300 races

Suunto Race 2 lasts 292 of 300 races

RaceBattery neededPolar Grit X2 ProSuunto Race 2
Mongolia Trail Run170 km · 3800 m+43 hLastsLasts
Las 100 Millas de Boñar – Noche Roja161 km · 4560 m+43 hLastsLasts
Trail Menorca Camí de Cavalls185 km · 3500 m+45 hDiesLasts
Grand Raid des Cathares161 km · 7000 m+50 hDiesLasts
Topo Athletic Bibracte Ultra-Trail185 km · 5500 m+50 hDiesLasts
UltraMediterrània162 km · 8050 m+53 hDiesLasts
Zugspitz Ultratrail by UTMB167 km · 8205 m+54 hDiesLasts
Nice Côte d'Azur by UTMB168 km · 9000 m+56 hDiesDies

Estimate for a mid-pack runner on the longest distance, standard GPS on ultras and multi-band on races under 12 h. Tap a race to see the watches we recommend for it.

Verdict

For maximum autonomy on long ultras, Suunto Race 2 lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Polar Grit X2 Pro. On budget, Suunto Race 2 is the more affordable option.

Analysis: where they really differ

Two mountain watches with an AMOLED screen, offline maps and multi-band GPS, from the two Nordic brands. The Polar Grit X2 Pro adds sapphire glass and the best recovery and sleep package on the market (Nightly Recharge, SleepWise), with 43 h of GPS. The Suunto Race 2 answers with more battery (55 h of GPS and 18 days in watch mode), very clear map navigation and a more direct focus on training and routes. On GPS accuracy and maps they are very close; the choice is Polar's rest analysis versus Suunto's extra 12 h of GPS.

Choose the Polar Grit X2 Pro if…

  • You prioritise the best sleep and recovery analysis on the market
  • You want sapphire glass and Polar's adaptive plans
  • 43 h of GPS is enough for you

Choose the Suunto Race 2 if…

  • You need more battery: 55 h of GPS and 18 days in watch mode
  • You value very clear, direct map navigation
  • You prefer the mountain- and route-focused Suunto ecosystem
View on Amazon: Polar Grit X2 Pro(opens in a new tab)View on Amazon: Suunto Race 2(opens in a new tab)

Frequently asked questions

Which lasts longer, Polar Grit X2 Pro or Suunto Race 2?
Polar Grit X2 Pro offers 43 h of GPS battery and Suunto Race 2 offers 55 h, so Suunto Race 2 lasts longer for long efforts.
Which one is lighter?
Polar Grit X2 Pro weighs 64 g and Suunto Race 2 weighs 65 g; Polar Grit X2 Pro is the lighter of the two.
Do both have onboard maps?
Yes, both Polar Grit X2 Pro and Suunto Race 2 include onboard topo maps.
Which is better for trail running and ultras, Polar Grit X2 Pro or Suunto Race 2?
Suunto Race 2: 55 h of GPS and onboard maps to navigate routes without relying on your phone.
Can I listen to music without my phone?
Neither the Polar Grit X2 Pro nor the Suunto Race 2 stores music onboard; you'll need to carry your phone.

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Polar Grit X2 Pro(opens in a new tab)Suunto Race 2(opens in a new tab)