Simon Gegenheimer is a German cross-country mountain biker.

He won the German national championship in the cross-country eliminator in 2012, 2013, and 2016.

[3] In 2016 he won the silver medal in the cross-country eliminator at the world championships in Nové Město na Moravě, Czech Republic.

[4] He also won the 2017 UCI XCE World Cup.

His biggest success has been the World Championship title at the 2021 cross-country eliminator World Championship in Graz.