julia> err, tcx = parse_tcx_file("test/centry_park_run.tcx");
julia> err
200
julia> tcx.average_speed
ERROR: type TCXRecord has no field average_speed
Stacktrace:
[1] getproperty(::Any, ::Symbol) at ./sysimg.jl:18
julia> tcx.average_pace
ERROR: type TCXRecord has no field average_pace
Stacktrace:
[1] getproperty(::Any, ::Symbol) at ./sysimg.jl:18