jacquesct and others
related to Forerunner 935 thread corrupt swim fit file
please contact Garmin Support by phone and tell them about your mishap
Most likely introduced with Device Firmware 13.30 and SensorHub 6.70
happy & safe sporting
and when that does not help
without the file, no solution
with your consent we can have a look at your file with payed FitFileRepairTool
zip the fit file and upload here in the forum, or provide a link to it on a cloud storage
happy & safe sporting
congratulations with the performance
fixed with FitFileRepairTool

dibidi-F5-triathlon-kaput-99T61238-fixed.zip
happy & safe sporting