Backyard Ultra 100 Jezior 2026

17.10.2026Ślesin (Poland)

Pacing, fueling and crew sheet for the course you pick

6.74.2 km mi

Backyard loop 7 km

At a glance

Backyard Ultra 100 Jezior 2026 took place on Saturday 17 October 2026 in Ślesin (Greater Poland Voivodeship, Poland). One distance: 6.7 km.

The organiser has not published the elevation gain or the route yet.

The 2027 edition is expected on Saturday 16 October 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

Backyard Ultra is the simplest and most demanding running format in the world. The rule is one: every hour you start a 6.706 km loop. You must finish it before the next hour expires.

From the organiser

1 course

6.7km4.2mi
Backyard loop
No index

GPX trace not yet published.

Race plan

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Pacing, aid stations and fueling timed to your effort on Backyard Ultra 100 Jezior, in one roadbook.

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Start

Ślesin (Poland)

Where to stay

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