The Intermunicipal Cup 3H Resistance MTB is a mountain bike endurance race held in multiple locations including Alenquer, Loures, Mafra, Oeiras, Amadora, and Lisbon. The 2026 edition features six races, with the first event scheduled for May 31, 2026, in Alenquer.

The race offers a 3-hour resistance format with courses approximately 4 to 7 km long, alongside juvenile MTB races with shorter circuits from 500 meters to 3 km depending on age categories. Participants include licensed competitive athletes and non-federated riders aged 5 years and older.

The event is part of a series with point-based classifications and prizes for top finishers in various categories, including electric bikes. The race atmosphere is competitive amateur with organized team and individual participation, supported by multiple cycling clubs and municipalities.

The Intermunicipal Cup 3H Resistance MTB is a mountain bike endurance race series consisting of six events held in various locations including Alenquer, Loures, Mafra, Oeiras, Amadora, and Lisbon. The races take place in 2025 and 2026, with the first event scheduled for May 31, 2026.

Participants can compete in the 3-hour resistance race or in juvenile MTB races held on the same day. The event is open to licensed and non-licensed athletes aged 5 and above, with categories for all ages and genders, including e-Bikes. The race features circuits approximately 4 to 7 km for the 3-hour race and 1 to 3 km for juvenile races, with specific distances for younger categories.

The competition is part of an intermunicipal series with a points system and prizes for top finishers in each category and overall. The event promotes competitive amateur cycling with a structured format including start boxes and timed laps, supported by technical and medical assistance.

The Intermunicipal Cup 3H MTB Endurance is a mountain bike endurance race series held in 2026 across six events in various municipalities including Mafra, Lisbon district. The Mafra event is scheduled for September 12, 2026, at 15:00.

The race features a 3-hour endurance format with courses approximately 4 to 7 km long, alongside juvenile MTB races with distances from 500 meters to 3 km depending on age categories. Participation is open to licensed and non-licensed athletes aged 5 and above.

This amateur competitive series awards points and prizes to top finishers in multiple age and bike categories, including e-bikes, fostering a community atmosphere with events for all ages and skill levels.

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.