May 17, 2027
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Backyard Ultra Jabłonna
Jabłonna, Legionowo County, Masovian Voivodeship, Poland
May 17, 2027 Estimated date
Mazowieckie
Bieg trailowy
6.7 km
Backyard Ultra
April 30, 2026
6.7 km, Backyard Ultra
Bieg trailowy
Jabłonna, Legionowo County, Masovian Voivodeship, Poland
Registration and pricing
Registration closes: April 30, 2026
Backyard Ultra Jabłonna
Estimated date. We have not received an official date for this race.
Race description
Backyard Ultra Jabłonna is a unique ultra-running event in a format that originated in the USA. Competitors start every hour and must complete a 6.706 km loop. After completing the loop, they can rest until the next full hour, and the competition continues until only one runner remains who completes the final loop within the one-hour limit. This is an endurance race where speed, strategy and perseverance all matter.
Highlights
- A 6.706 km (4.167 mile) loop
- Starts every full hour
- A unique format—the race continues until a sole winner is determined
Additional information
There is no podium—only a throne for the winner. The event is for adults. The time limit for completing each loop is 1 hour. The rules and map are available to download on the website. The event features Backyard Ultra competition, participant limits and online registration. The series also includes winter editions and special editions offering Silver Tickets to the World Championships as prizes.
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