The Merrell Trail Running Series 2025/26 is a five-stage trail running circuit taking place between November 2025 and April 2026 across scenic locations in the Lisbon district. Organized by Trail4U, the series offers Short Trail and Long Trail distances in each event, welcoming trail runners aged 16+ (Short Trail) and 18+ (Long Trail).
The races are designed to promote sportsmanship, environmental responsibility, and the natural beauty of the Lisbon area. Each race is independent, but runners and teams accumulate points toward the final circuit classification.
The Trail Quinta das Arcas 2025 is a trail running event taking place on November 30, 2025, in Sobrado, Valongo, Portugal, with start and finish at Quinta das Arcas. The event offers three distances: a Trail of approximately 20 km, a Mini Trail of around 12 km, and a non-competitive walk also about 12 km. Participation is open to adults for the Trail, those 16 years and older for the Mini Trail, and minors accompanied by an adult for the walk. The event is part of the Circuito dos Trilhos de Valongo ranking and includes team competitions. The race route traverses trails and paths in the union of the parishes of Campo and Sobrado, promising natural and challenging terrain. The atmosphere is competitive yet community-oriented, including a Trail Kid event the day before for children aged 4 to 14. The organization emphasizes self-sufficiency and environmental responsibility. Team events and trophies are part of the competition, enhancing the spirit of camaraderie.
The IV Trail do Grupo Desportivo Concha Azul is a trail running event taking place on November 30, 2025, in São Martinho do Porto. It offers three distinct race options: a Long Trail of approximately 20 km with 1000m of positive elevation gain, a Short Trail of about 15 km with 500m elevation gain, and a 10 km walk.
The event is open to athletes aged 18 and older, with no mention of license requirements, welcoming all who are physically prepared for the challenging off-road and mixed terrain courses. The trails pass through beautiful natural landscapes featuring sand paths, forest roads, single-tracks, cliffs, and mountain environments, combining coastal and mountain scenery unique to the São Martinho do Porto area.
This trail race has a friendly and inclusive atmosphere, with marked routes and organizational support to ensure safety and orientation. Besides individual races, there are team prizes for the top three teams based on the first three finishers. The event also includes a communal post-race lunch for participants and their families, enhancing the social and festive spirit of the day.
The 35th Meia Maratona de Lagos is a running event taking place on November 30, 2025, starting at 9:30 AM in Lagos, Portugal. This event includes a competitive half marathon (21.097 km), a Mini Half Marathon (5 km), and a Mega Walk (5 km), offering options for all ages and fitness levels.
The half marathon is open to participants over 20 years old and features official timing and classification with prizes and trophies for various age categories. The Mini Half Marathon and Mega Walk are family-friendly, festive, non-competitive events without official timing, welcoming adults, children, and even participants with baby strollers.
The race route is unique, featuring a passage over the iconic drawbridge connecting the marina to Lagos city and running along the famous beach avenue. The event atmosphere is lively with fitness classes, stretching, music, and other entertainment, making it a festive occasion for individuals, teams, gyms, and families.
The IX – Trail das Andorinhas is a trail running event scheduled for November 30, 2025, in Póvoa de Lanhoso, Portugal. It offers multiple race distances including a Long Trail of 26 km, a Short Trail of 15 km, and a 5 km walking event, catering to a wide range of endurance levels and participants.
The event is open to participants of all ages with special races for kids, organized by age groups from Benjamins to Juvenis, ensuring a family-friendly and inclusive atmosphere. Organized by Grupo Desportivo da Goma in partnership with the Municipality of Póvoa de Lanhoso, this race celebrates the scenic trails of the region, providing a unique outdoor experience for runners and walkers alike.
The Trail Por Terras de Fontes e Lobos is a trail running event scheduled for November 30, 2025, in the municipality of Vagos, Portugal. The race starts at the Pavilhão Gimnodesportivo in Covão do Lobo, offering participants a scenic and challenging trail experience.
There are two trail distances available: a long trail and a short trail, open to various age groups including juveniles, seniors, and veterans, making the event inclusive for a broad range of runners. Additionally, a walking event is held, welcoming participants who prefer a less competitive pace.
The race is organized by UF de Fonte de Angeão and Covão do Lobo in partnership with Associação Ruralidades e Memórias, ensuring a well-supported and community-oriented atmosphere. The event promises a festive environment suitable for competitive athletes and recreational participants alike.
The Trilho dos Cágados will return on December 1, 2025, in Vila Chã de Ourique (Santarém), offering athletes and walkers an authentic trail experience with distances for all levels. Organized by Trilho dos Cágados VCO, the event combines community spirit, challenging trails, and a festive atmosphere.
Participants can choose between the 26 km Long Trail, the 18 km Short Trail, the 12 km Mini Trail, or a 12 km Easy Walk. With varied routes featuring elevation gains between 205 m and 1,150 m, the courses take runners through rural and natural landscapes, supported by well-placed aid stations.
This event is more than just a race — it’s a day of sport and celebration. All entries include a post-race lunch, and runners will enjoy a safe, supportive environment backed by local volunteers.
The São Silvestre Cidade de Ermesinde 2025 is a running event scheduled for December 1, 2025, in Ermesinde city. It features a 10 km competitive road race and a parallel 5 km non-competitive walk, both starting and finishing in front of the Junta de Freguesia de Ermesinde. The race is open to men and women aged 16 and older, while the walk welcomes participants of all ages, with minors requiring adult accompaniment and authorization. This event is a city race through urban streets, offering a festive and inclusive atmosphere. Teams can register with a special offer where every 11th runner is free for groups of 10. The walk complements the race, making it accessible for families and less competitive participants.
The Heróis Betano Cascais Christmas Run is a 5 km running and walking event taking place on December 1, 2025, in the heart of Cascais, Portugal. This race welcomes participants of all ages and abilities, promoting inclusivity and solidarity through sport.
Open to everyone without the need for a license, the event is part of a broader initiative supporting adapted sports, with €10,000 in grants awarded to projects fostering inclusion in sports. The course offers an urban route through prominent streets of Cascais, providing a festive atmosphere amid the Christmas season.
With a welcoming and community-focused environment, the event includes both competitive running and walking categories, inviting families, athletes, and supporters to join this special solidarity race.
The Trilho do Vinho de Talha is a trail running event scheduled for December 1, 2025, in Vila de Frades – Vidigueira, Beja. It offers different distances including a 16 km Trail Sprint, a 10 km Mini Trail, and walking options of 10 km and 5 km.
This event is open to all categories with several age groups for both male and female participants, allowing a broad range of runners to compete. The race includes monetary prizes, adding competitive incentive for participants.
The terrain provides an opportunity to explore the scenic landscapes of the Beja region, combining physical challenge with beautiful natural surroundings. The atmosphere promises to be inclusive and community-oriented, welcoming both serious competitors and leisure walkers.
