CHALLENGE 1K - LISBOA - ALTO DO MALHÃO
The Challenge1K – Lisboa > Alto do Malhão (Algarve) is a road cycling endurance event taking place on April 18, 2026. The route covers 268 km from Lisbon to the iconic Alto do Malhão climb in the Algarve, known for its challenging gradients exceeding 10%.
This event is designed for cyclists seeking a test of resistance and mental strength, with multiple start times based on average speeds (22 km/h, 25 km/h, 28 km/h). Participants must comply with road safety rules and use GPS tracking for navigation.
The race atmosphere emphasizes personal challenge and achievement, culminating in the legendary climb of Alto do Malhão, a symbol of Portuguese cycling. Support includes two aid stations, a hot meal at the finish, and transport back to Lisbon.





