Backyard Kristiansand ultra is a September ultra race in Kristiansand, Agder, in southern Norway. The listed loop distance is 6.7 km, with an 80.4 km option that works out to twelve repeats of that distance.
September weather in Kristiansand is usually cool enough for hard running, with typical temperatures from about 10°C to 19°C. The forecast profile points to cloudy days more often than clear ones, with average precipitation around 45 mm, so runners should expect mild but possibly damp conditions.