Bienwald Backyard Ultra

The Bienwald Backyard Ultra is a loop-based ultramarathon held at the Bienwaldstadion in Kandel, Germany, with the 2026 edition beginning on 31 July 2026. The event follows the Backyard Ultra format with hourly starts and competitors running successive laps until only one runner remains; official material for the event specifies a lap length of 6.706 km. The course uses separate day and night routing with trail and forest paths by day and asphalt at night, providing a mixed-surface endurance challenge for athletes of this format.

The race is listed as a Silver Ticket Race and functions as a qualifier within the Big Dog's Satellite World Championships structure, and it offers pathways into the German Backyard Team via an At Large List. The organiser contact given is Michael Ohler and the public contact email is [email protected]; registration is handled via RaceResult and is stated to open on 1 January 2026, though some pages report the 2026 edition sold out. Participants are offered event catering and a T-shirt as part of the event package according to the registration listing.