Edit Garmin Swim Data

Picked up a 910xt over the weekend, and already love it and have a question regarding editing swim data. The pool I swim in is 20 yards while the shortest custom pool length if 22 yards. I can open the tcx file in excel and edit the data and then save back as a tcx file. However, once I try to upload to training peaks I get an error. I realize there are plug-ins one can buy but was hoping there was a free way I can make this simple edit…

Any thoughts? Thanks!

I have the same problem. I’ve just set it at 22 and left it. I just know that my pace/100y is off. I just swim sets of 100/200/400/800 etc and know what my times should be. I cant beleive Garmin hasnt fixed this is a update. I imagine it wouldn’t be hard to do.