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Format

Garmin track log file

Summary

Name
Garmin track log file
Identifiers
PUID: fmt/1679
Format type
Text (Structured)
Description
Gmn files are used within Garmin Forerunner watches, which track GPS and heart rate data when work by the user during exercise. Gmn files store data relating to the exercise session, which can include heart rate, altitude, timestamp and position (latitude and longitude).
File extensions
gmn
Source
Digital Preservation Department / The National Archives
Supported by
Garmin / Garmin

Internal signatures

Garmin track log file

Note
BOF Absolute from beginning of file, magic bytes: <@gArMiN@>

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
3C406741724D694E403E
Endianness
None

Changelog

  • Added in V105

    Release date
    29 June 2022

    Garmin track log file: Signature researched and samples provided by Digital Preservation Department, The National Archives (UK).

    Garmin track log file: Full entry added. Submitted by Digital Preservation Department, The National Archives (UK).