The Grindelwald cycling race, the Eiger Bike Challenge, can also be completed on an e-mountain bike and as a team of 2. But with the huge altitude difference, even this would be a more than impressive performance.
The real challenge is not really the length of the route of the Eiger Bike Challenge Grindelwald with its 20 and 80 kilometre options. Rather, the 890 metre altitude difference with the shorter option and the 4,196 metre difference for the longer distance are decisive for success. The fastest do not even have time to enjoy the wonderful mountain panorama...