Home / Fun Runs / Germany Heidelberg 2 fun runs in Heidelberg. April 2026 1 runs Trail & Nature 26 APR Heidelberg Halbmarathon 2026 Heidelberg · Germany Trail RunRoad Race 1–21K September 2026 1 runs Trail & Nature 21 SEPT Trail Marathon Heidelberg 2026 Heidelberg · Germany Trail RunRoad Race 45K