Klarälvsloppet is a 90km long roller ski event in Sweden. The event is the longest roller ski event in Sweden, and the trail cuts right through the Värmland countryside following the course of the river Klarälven, a 90km asphalted nature trail.

The race uses classic technique and welcomes both elite and recreational participation. The 2025 edition is the eighth one to take place, already attracting many of the top athletes in the long-distance skiing world.