open water distance logged differently on apple watch ultra 2 and garmin forerunner 255

Even if you and your friend do an activity together, it is possible to get different distance calculations on Strava. Things like GPS drift, GPS signal loss or a 'jumpy' GPS track can cause your activity to report more or less distance than you actually traveled.

Please feel free to check out our support article on this topic here: Why is my activity's distance different than my friend's

You can switch your distance on Strava if you would like to compute your distance from GPS data rather than the distance stream recorded by your device.

To swap your distance stream:

• Go to your activity page on the website (this feature is currently not accessible in our mobile apps)
• From the activity page click on (◦◦◦) the more options menu > Correct Distance.
• From the pop-up, click "Correct Distance".
• When the status changes from "Calculating" to "Updated," refresh the page.

If you would like to revert the change, you can click the same link and click "Revert Distance".

For more information, see our article on How distance is calculated for your activity.