MessengerHalf Marathon Avieiros
Event summary
The Avieiros 21k – Meia Maratona do Tejo and Desafio do Tejo 10k will take place on June 10, 2026, in Santarém, Portugal. The event features a half marathon of 21.0975 km and a 10 km race, both on mixed terrain including asphalt, dirt, and cobblestones.
Open to all adult runners, with age categories from juniors to veterans, the races are timed with electronic chips for official classification. Additionally, there is a 10 km pet-friendly walk allowing participants to bring dogs on leash, making the event inclusive and family-friendly.
The courses offer scenic routes along the Tagus riverbank and the Santarém plateau, with mostly flat terrain and some descents, providing a pleasant running experience. The event atmosphere is community-oriented with competitive and non-competitive options.
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Age categories/divisions:
• Juniors 18/19 (born 2007-2008)
• Seniors 20/39 (born 2006 to 39 years old)
• Veterans 40 (40-49 years old)
• Veterans 50 (50-59 years old)
• Veterans 60 (60+ years old)
Start/finish locations: Half marathon starts at Associação Scalabis Night Runners Club, Santarém, finishes at SóRio; other races start and finish at SóRio
Start times per category/distance:
• Avieiros 21K: 09:00
• Desafio do Tejo 10K: 09:00
• Patas no Tejo 10K (walk): 09:20
Cut-off times: Maximum duration 3 hours, ending at 12:00
Bib pick-up time and location: At SóRio on June 5, 6, and 7, 2026; ID required; no bibs given on race day
Participants limit:
• Avieiros 21k: 900
• Desafio do Tejo 10k: 450
• Patas no Tejo 10k: 300
Surface types: Mixed terrain including asphalt, dirt, and cobblestones
Course format: Half marathon is point-to-point; 10k races are out-and-back
Race routes:
• Half marathon: from Santarém plateau descending to Tagus river area
• 10k races: along Tagus riverbank between SóRio and Porto de Muge
Timing method: Electronic chip timing integrated into bib
Toilets and aid station placement: Aid stations every 2.5 km for water and every 5 km for solids including isotonic drinks and fruit
Parking and shuttle details: Bus transport available for half marathon runners from finish (SóRio) to start (Associação Scalabis Night Runners Club) for an additional fee of €8, subject to availability
Prizes: Awards for top three overall and per age category; digital participation diploma for all finishers
Location
get directionsRaces
Half Marathon 21 km
Road Running 10 km
Pet Friendly Walk 10 km
Half Marathon 21 km With transfer
Benefits
🎽 Athlete kit: participant kit including bib, regional products, and beverages from sponsors
⏱️ Timing + live results by category using electronic chip timing
🛟 Safety support: medical assistance with ambulances at start/finish and mid-course
🛡️ Insurance: personal accident insurance included with coverage for death, permanent disability, treatment, and funeral expenses
🥤 Aid stations: water every 2.5 km, solids every 5 km including isotonic drinks and fruit
🚿 Showers and changing rooms available at Ribatejano Futebol Clube Valadense
🏆 Prizes for top three finishers overall and by age category; digital participation diplomas for all finishers
