Backyard Ultra Fronteiros de Chaves

  • Sat, June 20, 2026
  • 10 30 
  • 4 races
0

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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Information

Regulation link ↗

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


Chaves, Vila Real

Races

Backyard Ultra 6 laps 40.236 km

20 Jun, 2026
10:00
20 

Backyard 3 laps 20.118 km

20 Jun, 2026
16:00
15 

Backyard 1 lap 6.706 km

20 Jun, 2026
16:00
10 

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


FAQ

How do I register for the event?

Registrations must be made online via https://acorrer.pt/eventos/4296/info by June 10, 2026. Payment is required to validate registration.

What are the age requirements for participation?

Participants must be at least 18 years old for the Backyard Ultra, 16 years for the 6 and 3 loops variants, and 10 years for the 1 loop variant. Minors must submit a parental responsibility form and be accompanied by an adult.

What is the race format and distance?

The race consists of a 6.706 km loop to be completed every hour. Variants include 1 loop (6.706 km), 3 loops (20.118 km), 6 loops (40.236 km), and the main Backyard Ultra with unlimited loops until only one runner completes a loop within the hour.

Is there a cut-off time for each loop?

Yes, each loop must be completed within 60 minutes to continue in the race.

What equipment is mandatory?

Participants must wear a headlamp and a red rear light during night running. Off-road running shoes and appropriate clothing are recommended.

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