Tag Archives: GPS Accuracy

Apple Watch Ultra vs New York City: GPS Accuracy Test!

In the event you aren’t subscribed over on YouTube, I’ve posted a full comparison of the Apple Watch Ultra vs Garmin Epix in New York City, on an epic route through the city, including up and down some of the … Read More Here

GPS Accuracy Issue Impacted Garmin, Suunto, and Polar Watches Over Past Week

Over the past 7 days there’s been a slew of folks with certain GPS watches seeing accuracy issues, whereby the GPS track is offset from reality (usually in a specific direction). This often results in GPS tracks where the visual … Read More Here

Openwater Swim GPS Test Extravaganza Results

A few years back I took a week while warm-water swimming to test a slate of GPS watches in openwater. Like a race, each watch got essentially one go at it, competing against another watch on the other wrist – … Read More Here

Why the New York Times GPS running article missed the boat

Yesterday the New York Times published in print and online a rather bizarre article on GPS running watches, one that essentially concluded that they were an “unreliable running partner”.  Now my goal isn’t meant to defend GPS watches, but rather … Read More Here

Garmin FR610 Accuracy Firmware Fix Results

Today Garmin released a new firmware update for the Garmin FR610, which aims to fix the accuracy issues that have been noticed by some users.  You likely saw my 2011 GPS Accuracy Test Results not too long ago, which found … Read More Here

2011 Sport Device GPS Accuracy In Depth: Part II

(Note: If you’re just joining me in Part II, be sure to read Part I, which covers the first half of the tests. Also of note: A few weeks after the test was published Garmin released a new firmware update … Read More Here

2011 Sport Device GPS Accuracy In Depth: Part I

(Also note: A few weeks after the test was published Garmin released a new firmware update that fixes the FR610 issues, and I redid some of the tests here). Last fall to the request of many I put together a … Read More Here

Sport Device GPS Accuracy In Depth: Part II

(Note: If you’re just joining me in Part II, be sure to read Part I, which covers the first half of the tests) As we left off in Part I, the tests thus far had been largely easy.  By that … Read More Here

Sport Device GPS Accuracy In Depth: Part I

Newcomers to GPS sport devices like the Garmin Forerunner or Timex Global Trainer often wonder exactly how accurate the devices are.  And seasoned users occasionally notice small oddities when comparing their run totals between training partners on the same run.  … Read More Here