I've put your tracks in GPSMapedit like I did with Neil's tracks

3490_tracklog_lock_on_road_5_5_13 Dark green
3490_tracklog_pedestrian_5_5_13 Light green
3790_lock_on_road_05_05_2013 Dark red
3790_pedestrian_ 05_05_2013 Red
some examples:

88zviWk

ZzsYudd

kO7Yy6d

jn0AyRh

a0KNTom

QjmIYUV

jaQPVJL

IIK9Fkb