The largest backwards race was achieved by 539 participants in an event organised by Mater Salvatoris Institute in Kapellen, Belgium on 13 March 2009.
A logbook was used for the counting.
The largest backwards race was achieved by 539 participants in an event organised by Mater Salvatoris Institute in Kapellen, Belgium on 13 March 2009.
A logbook was used for the counting.