TMC Earth Day 5k Run/Walk at the Biosphere 2 – Oracle

Join the Run Tucson on April 20 for a 5k run and walk entirely on the grounds of the world-famous Biosphere 2, nestled in the western foothills of the Catalina Mountains. Run the desert, visit a rainforest, view an ocean reef, and wander through savanna grasslands, all in one day! The rolling 3.1 mile course offers gorgeous desert and mountain views, with start and finish on the Biosphere 2 lawn. The event features live music and food trucks followed by an informative tour of the renowned research facility. The tour includes visits to wetlands, rainforests, grasslands, the fog desert, and the ocean biome, providing a unique opportunity to explore these natural habitats. The event supports Biosphere 2 Ocean research.