I Ultra Maratona BTT/Gravel do Sor

The Intermunicipal Cup 3H MTB Endurance is a mountain bike endurance race series held in 2026 across six events in various municipalities including Alenquer, Loures, Mafra, Oeiras, Amadora, and Lisbon. The Jamor event in Oeiras is scheduled for September 19, 2026, at 19:00.

The race features a 3-hour endurance format with courses approximately 4 to 7 km long for the main event, and shorter circuits for juvenile categories ranging from 500 meters to 3 km depending on age group. The competition is open to licensed and non-licensed riders aged 5 and above, with multiple categories for men, women, juniors, masters, and e-bikes.

The event includes juvenile MTB races held on the same day as the endurance race, fostering a family-friendly and competitive atmosphere. The race is part of a series with point-based classifications and prizes awarded to top finishers in each category and overall.

The Monção e Melgaço Granfondo 2026 is a competitive amateur cycling event held on Sunday, September 20, 2026, starting and finishing in Monção, Portugal. It features three distances: Granfondo (130 km), Mediofondo (100 km), and Minifondo (60 km), with mandatory helmet use for all participants.

The event is open to cyclists aged 15 and older, with specific age restrictions for certain distances and license requirements for federated athletes. It is organized under the regulations of the Portuguese Cycling Federation and follows road traffic laws.

Participants can enjoy a well-supported race with timed electronic chip tracking, medical and mechanical assistance, and a festive atmosphere with awards for various age categories and overall winners.

The II Troféu de Resistência BTT de Alenquer – Inter Freguesias is a mountain bike endurance race series held throughout 2026 in various locations within the Alenquer municipality, Portugal. The event includes nine independent races, with the final race, Resistência No Mercy Ride, taking place on September 20, 2026, in Cheganças.

Each race features a 2-hour endurance format on courses ranging from 4 to 7 km, primarily on dirt paths and single-tracks. The competition is open to all athletes aged 16 and above, both federated and non-federated, with categories for men, women, and e-bikes across multiple age groups.

The series promotes local sports development and community engagement, with a structured points system culminating in an overall trophy. The races foster a competitive yet inclusive atmosphere, supported by local associations and the municipality.

The 23rd BTT Arco da Memória is a mountain bike race taking place on September 20, 2026, in Arrimal, Porto de Mós. This event offers a challenging off-road cycling experience for mountain biking enthusiasts.