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 MTB Endurance is a mountain bike endurance race series held in 2026 across six events in various municipalities including Loures, Alenquer, Mafra, Oeiras, Amadora, and Lisbon. The Loures event is scheduled for July 11, 2026, at 15:00 in Póvoa Santa Iria, Lisbon.

The race features a 3-hour endurance format with circuits approximately 4 to 7 km long for the main event and shorter circuits for juvenile categories, ranging from 500 meters for the youngest to up to 3 km for older youth categories. The competition is open to licensed and non-licensed riders aged 5 and above, with multiple age and gender categories, including e-Bikes.

The event is part of a competitive amateur series with point classifications and prizes for top finishers. Juvenile races occur on the same day as the endurance races, with specific start times and distances. The race atmosphere is competitive and structured, with safety and fair play emphasized.

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 Resistance MTB 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 final event takes place in Monsanto, Lisbon on October 25, 2026.

The race features 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. The competition is open to licensed and non-licensed amateur athletes aged 5 and above, with multiple age and gender categories, including e-Bikes.

This series offers a competitive amateur atmosphere with point-based classifications and prizes for top finishers, supported by local cycling clubs and municipalities. Juvenile races run concurrently with the main events, providing a family-friendly environment.