The first ever boulder-competition at Rijnboulder Arnhem, open for all climbers to enjoy a day of open competition and climbing fun. Young and old are open to try every route made to the competition. The winner would be the one with the most ‘Flashed’ boulders. Flashing boulders is climbing them from start to ending in one try only. Therefore the name Flashtest #1 with the video capturing the new boulder and restaurant ánd the climbers simply having a good time.