The nock/bike MTB-Trophy begins at the church square in Feld am See, covering 20 km of mountain biking in Carinthia, Austria. This mass-start mountain race is open to both regular MTB and e-bike participants, featuring 1,035 metres of elevation gain. It serves as a prelude to the ARBÖ Carinthia Cycle Marathon.
The course ascends from Feld am See using natural trails towards the Maibrunnhütte. It then features a downhill section on Europe's longest Flow Country Trail before concluding in Bad Kleinkirchheim. The event commences with music and a supporting program at the church square starting in the morning. Classifications include individual, team, and middle-time results, appealing to a range of participants beyond just those aiming for the quickest finish.