Mazy's Halloween Nocturne VTT

Mazy's Halloween Nocturne is a night-time mountain-bike randonnée organised by the Mazy's Fun Bikers club in Mazy (municipality of Gembloux), Namur Province, Belgium. The 2026 edition is scheduled for the evening of 30 October with a course of about 25 km through the Orneau valley, four themed Halloween rest stops, and on-site showers, bike wash and bar. Pre-registration is required and entry numbers are capped.