Nijmeegse Vierdaagse (Marathon of Nijmegen)
 

https://images4.persgroep.net/rcs/02...7f&quality=0.9

https://nos.nl/data/image/2017/01/05/344496/xxl.jpg


it is a marathon held every year in the summer for 4 days of hiking through Nijmegen


among the competitors are usually military personnel and 65+ men and women


they start at Nijmegen, then they go into a forest nearby, setting up camp and then next 3 days hiking back to Nijmegen