2023 Gravel Birds Ultracycling

Gravel Birds Ultracycling is an adventure-cycling and self-supported ultracycling challenge across Alentejo region in one-stage. Along the 75% off-road (set) route with approximately 750 kilometers and 7.500 meters of climbing, long-distance cyclists will face the Alentejo hills from the inland areas of the Guadiana Valley to the Atlantic coast. The second edition of the biggest bikepacking gravel adventure in Portugal starts with the sunrise on May 13th in Castro Verde.