Kardingebultra

The Kardingebultra is an extreme running event set in the recreational area of Kardinge, Groningen, scheduled for July 19, 2025. Participants must complete a 6,706-meter loop within one hour, with a total of 24 loops possible, equating to 100 miles over 24 hours. The event emphasizes endurance, as only those who complete the most laps or have the fastest time in the final lap will be declared winners.

Registration is limited, and participants receive various amenities, including a start number, electronic timing, refreshments, and a unique keepsake. A portion of the proceeds supports nature conservation efforts in the area. Visit the organization's website for the most recent information.