MessengerBackyard Ultra Fronteiros de Chaves
Event summary
The Backyard Ultra Fronteiros de Chaves is an ultra running event taking place on June 20, 2026, at the Infantry Regiment No. 19 Military Quarter in Chaves, Vila Real, Portugal. The race features a unique format where participants run a 6.706 km loop every hour, aiming to complete as many loops as possible within the time limit.
In addition to the main Backyard Ultra, there are three parallel variants for shorter distances: 1 loop (6.706 km), 3 loops (20.118 km), and 6 loops (40.236 km). The event is open to participants aged 18 and over for the main ultra, with younger age categories allowed for shorter variants, and is part of the 2026 national ranking and the global Backyard Ultra circuit.
The course is marked with tapes and night signage, and the event is organized by Associação Lobos do Brunheiro de Chaves with support from the military regiment and local municipality. The race atmosphere combines endurance challenge with community support, including team discounts and trophies for top finishers in all variants.
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Plan itInformation
Start/finish locations: Infantry Regiment No. 19 Military Quarter, Chaves, Vila Real
Start times per category/distance:
• Main Backyard Ultra and 6 loops: 10:00
• 1 loop and 3 loops variants: start after 6 loops variant finishes, around 16:00
Participant limit:
• Backyard Ultra: 150 athletes
• 1 loop / 3 loops / 6 loops: 300 athletes
Registration deadline: June 10, 2026
Timing method: Total laps counted; time of last lap used as tiebreaker
Toilets and aid station placement: Sanitary facilities at start/finish; light liquid and solid refreshments, soups and pasta from 7th lap
Bib pick-up time and location: June 20, 2026, from 07:00 until 30 minutes before start
Prizes: Finisher prize, trophies for general, male and female classification in all variants
Age categories/divisions:
• Backyard Ultra: minimum 18 years
• 6 loops and 3 loops: minimum 16 years
• 1 loop: minimum 10 years (minors require parental responsibility form and adult accompaniment)
Surface types: Off-road running suitable terrain
Cut-off times: Each loop must be completed within 60 minutes
Drop bag policy: Participants can carry personal logistics material (backpack/belt), except poles
Location
get directionsRaces
Backyard Ultra
Backyard Ultra 6 laps 40.236 km
Backyard 3 laps 20.118 km
Backyard 1 lap 6.706 km
Benefits
🎽 Athlete kit: official event T-shirt, personalized bib
🏅 Finisher prize: finisher award included
⏱️ Timing + live results by total laps with tiebreaker by last lap time
🛟 Safety support: medical team available, emergency contact numbers on bib
🛡️ Insurance: personal accident and liability insurance included in registration fee
🥤 Aid stations: solid and liquid refreshments, soups and pasta from 7th lap
🚿 Showers available
🏆 Trophies for overall, male and female classifications in all variants
• Team discount: 1 free registration for every 10 athletes registered