Gravel Ritten GR1v2 - 72KM - Gravel BB.gpx (433 downloads ) GR2v2 -65KM - Gravel BB.gpx (453 downloads ) GR3 - 68KM - Gravel BB 3.gpx (440 downloads ) GR4 - 65KM - Gravel BB 4.gpx (463 downloads ) GR5 - 74KM - Gravel BB Swartbroek.gpx (128 downloads ) GR6 - 77KM - Holygravel.gpx (23 downloads )