07/16/2019 to 07/19/2019, Nijmegen and surroundings. The International Four Days Marches, called "Vierdaagse" in Nijmegen have grown into the largest multi-day walking event in the world, more than 42,000 participants, (that include Armed Forces from other countries, like Canadian, England, German, France, Spain, etc.) walk for four days in Nijmegen and its surroundings. Depending on their age and sex, they walk a total of 120, 160 or 200 kilometers towards the Via Gladiola. This year 41,235 participants have completed the 103rd Four Days Marches of Nijmegen.