Kardingebultra

Kardingebultra is an extreme running event set in the scenic Kardinge recreation area in Groningen, scheduled for July 19, 2025. Participants tackle a 6,706-meter loop with a 32-meter elevation gain, aiming to complete as many laps as possible within a 24-hour timeframe. Each hour, runners must start a new lap, and failure to do so results in disqualification.

The event is limited to a certain number of participants to maintain its unique atmosphere. Registration includes a start number, electronic timing, refreshments, and a commemorative gift, with a portion of the fees supporting nature conservation efforts. Visit the organization's website for the most recent information.