Spaarnwoude Park Ultra

Spaarnwoude Park Ultra is a unique running event in Velsen-Zuid where participants run laps of 3.6 km or 4.6 km through a nature reserve. Each lap must be completed within 30 minutes to continue to the next lap. Participants can choose on the day which distance they run. The event takes place at the Peddelpoel recreational lake and is limited to 150 participants. It is organised by volunteers from Loopmeesters and RunX Haarlem. The start and rest area has facilities including toilets and picnic tables. After the event, all runners receive hot chocolate as a keepsake.

A maximum of 150 participants per edition. Participants bring their own food and drinks. There are transition cups for the fastest runners in the final lap, one per distance. The start and rest area has space for tents, chairs and support crews. All participants receive a keepsake and hot chocolate before they leave. Laps of 3.6 km or 4.6 km, a 30-minute time limit per lap, participants bring their own food and drinks, keepsake and hot chocolate after the event.