Earth Day 5k at Biosphere 2
Pinal County, Arizona, United States
Apr, 2027 (TBD)
5k
Race Information
Join Run Tucson at the Earth Day 5k and walk or run the hidden backroads of the world-famous Biosphere 2.
This landmark is nestled at the base of the majestic Catalina Mountains and is located north of Tucson. The rolling 3.1-mile course offers gorgeous desert and mountain views, and the race starts and finishes at the Biosphere 2 Lawn.
The race is capped at 1,000 registrants to ensure a unique race experience. All registrants receive cool swag items: souvenir race shirt; commemorative race medal; official finisher's time with chip timing; free entry to the world-famous Biosphere 2; and post-race snacks and goodies.
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Race Facts
Race Size: 500 - 1,000
Course Type: Road
Boston Qualifier: No
Kids Run: No
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