julia> using Pkg; Pkg.add("TCX");

using TCX

err, tcx = TCX.parse_tcx_file("my_marathon.tcx")
println(getDistance(tcx)) # Static distance record in TCX activity header.
println(getDistance2(tcx)) # Distance calculated out of tackpoints using Geodesty
println(getDuration(tcx))
println(getAverageSpeed(tcx))
println(getAveragePace(tcx))

using TCX, DataFrames
err, tcxArray = TCX.parse_tcx_dir("/my_running_logs/")
get_DataFrame(tcxArray)