Experience Tucson’s newest and fastest race!
Starting high on Biosphere Road, runners descend through the breathtaking Sonoran Desert toward Oro Valley, joining North Oracle Road before merging onto the scenic Chuck Huckleberry Loop. The first six miles feature gentle rolling terrain to ease you into your rhythm before the course transitions into a long, fast descent. With a net drop of 1,432 feet, the final miles are smooth, flowing, and built for speed — delivering a powerful finish in one of Southern Arizona’s most beautiful running landscapes. Expect panoramic desert views, pristine pavement, and ideal racing conditions. This fast, scenic course is quickly emerging as one of the nation’s most promising Boston-qualifying routes, and no Boston time penalty.

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