Run4Trees is a charity road race in Unterhaching, Bavaria, focused on environmental goals. The primary event is a half marathon, with additional races of 10.5 km and 5.4 km available. A 5.4 km Nordic walking event and a 1.3 km Bambini run for children are also part of the program. The races are divided into a morning schedule, beginning with the children's events and followed by the longer road races.
The event partners with Plant-for-the-Planet, giving it the character of a community run with a purpose rather than a typical club competition. Results, start lists, and photos are accessible via the event listing, and timing is managed by SAS-Zeitmesssysteme. Recent editions have taken place in July, positioning it as a summer event within the Bavarian running schedule.