Monday, May 11, 2020

Polar Grit X Video Review: 24 Hours on the Wrist, Performance & New Features Tested and Reviewed

Article by Sam Winebaum

Polar Grit X ($430)
After almost 3 weeks of testing and learning I review the Grit during a full day of running, activity, and sleep in the mountains around Park City, Utah,
I focus on its Nightly Recharge, the new Hill Spitter, and turn by turn routing (even on trails) enabled by partner Komoot. 

My testing indicates:
  • Grit X has 25-27 hour training battery life with GPS in best 1 second mode and wrist HR. Power save modes (for example by turning off wrist HR) can extend battery life. I am estimating 37 hours plus in GPS only mode with a Polar H10 chest strap for heart rate.
  • 5.5 days or 5 days plus one night of use in default mode including about an hour of GPS and wrist HR per day and sleep monitoring before requiring a recharge
  • When worn on the dominant wrist, solid wrist HR readings with no early spikes and smooth data during steady pace efforts.

  • Excellent GPS accuracy, tracking almost identically to a Garmin 945 on narrow single track trails as shown in the overlay image below
Analysis by DCAnalyzer.com

Some minute scratches have appeared on the bezel despite careful use.

At $430 the Grit is a very solid value and comes with Polar's deep Polar Flow adaptive training with recommendations, training cardiac fitness, and recovery platform which is focused on not only the immediate but most specially on the long term.

Watch the Video Review (13:12)

Read reviewers' full run bios here
The product reviewed was provided at no cost. The opinions herein are the authors'.
Comments and Questions Welcome Below!
Please let us know mileage, paces, race distances, and current preferred shoes

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2 comments:

Anonymous said...

Do you no longer offer discounts for Running Warehouse? I've always purchased items through your link with the discount code, but it's gone now.

Sam Winebaum said...

Hi Anonymous,
Thank you for reading and purchasing through our Running Warehouse link. Unfortunately due to the code being shared on coupon sites RW has disabled it so we had to take it down. We hope to bring it back in a new way soon. Our apologies.
Sam, Editor