The 3H Resistance MTB Clube Ciclismo de Rendufe by Quinta D’Amares is a mountain bike endurance race taking place on April 18, 2026, in Rendufe, Amares, Braga. The event features a closed circuit of approximately 4.7 km, where participants aim to complete the highest number of laps within a 3-hour timeframe.

This race is open to all participants aged 16 and above without the need for a sports license. It includes solo, doubles, and e-bike categories, with classifications and awards for various age groups and genders. The course runs through the vineyards and surroundings of Quinta D’Amares and the historic Monastery of Santo André de Rendufe, offering a unique blend of sport, culture, and nature.

The event promises a challenging and immersive experience combining physical endurance with scenic and historic landscapes, fostering a competitive yet respectful atmosphere among participants.

The São Mamede BTT – Portalegre is a mountain bike event taking place on April 18 and 19, 2026, in Portalegre, Portugal. It features two routes: a 60 km Marathon and a 35 km Half-Marathon, held on dirt roads and single-tracks within the São Mamede Natural Park.

This event is open to all riders aged 16 and above for the Marathon and 14 and above for the Half-Marathon, including both conventional and electric mountain bikes. It is part of the Alentejo BTT 4Marathon Series, a circuit of four marathons with cumulative classification and awards for various categories and distances.

The race is non-competitive with free pace, marked with vertical signage, and supported by volunteers and medical emergency teams. Awards are given to top finishers in each category and to teams with the most participants and best times.

The Taça Oeste XCM BTT 2026 is an amateur mountain bike marathon series organized by MR3eventus, taking place in Carvoeira-Torres Vedras, Lisboa, with the next event scheduled for April 26, 2026 at 9:00 AM. It features two main distances: Marathon (~60 km) and Half Marathon (~40 km), open to all participants aged 18 and above.

The event allows participation with electric bikes (E-Bikes) in the Marathon category with classification, while E-Bikes in the Half Marathon are not classified. The race is part of a four-stage series with points awarded per stage and overall classification, including age categories for men and women.

The courses run on rural roads and trails, marked with chalk and arrows, and participants must comply with traffic regulations. The event offers a competitive yet amateur atmosphere with organized start boxes and mandatory safety equipment such as helmets.

The II Troféu de Resistência BTT de Alenquer – Inter Freguesias is a mountain bike endurance race series held in various locations within the Alenquer municipality throughout 2026. The event includes multiple races from April to October, with the second race taking place on May 3, 2026, in Paúla.

The races feature 2-hour endurance formats 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, without the need for a cycling federation license.

Categories include male and female divisions across several age groups and an E-Bikes category. The event fosters community involvement through partnerships with local parishes and associations, creating a competitive yet inclusive atmosphere.