When to Use a TCX Course or FIT Course File Some Garmin devices require use of FIT files. Generally smaller in size than TCX course files. These files do not provide turn by turn navigation.įIT: contains turn by turn navigation data for use with Garmin Edge series devices. TCX History: contains ride history, like speed data, date and time, duration, and more. TCX Course: contains turn by turn navigation data for use with Garmin Edge series GPS, Wahoo ELEMNT, Hammerhead Karoo and other compatible devices.
Check manufacturer specifications if you have questions about file type compatibility for your specific GPS device. Note - generally speaking, TCX files will be the most widely used format across most devices.
