Race. Train. Gear up.
Saturday, June 13, 2026 Piteå, SWE
Timed 50k

Nalta Backyard Ultra (NBU)

1 day to go
50km Distance
2.5 Grit Score
Entry Level Level
Vertical Intensity 0 D+/km
Flat Hilly Mtn

This course is relatively flat and fast. Ideal for PB attempts.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Course Intelligence

OPENFREE MAP (LIBRE)

Course Notes

The track is just more than 6.7 km long and about 65 meters in height. Mixed terrain, sometimes a bit technical, mostly forest paths, exercise tracks and dirt roads. About 200 m of asphalt. The track will be marked and cut with both signs and cuts.