Oracle, AZ
TMC Earth Day 5K at Biosphere 2
- Date
- First start8:30 AM MST
- Location32540 S. Biosphere Road, Oracle, AZ 85623
- Distances5K
- SurfaceRoad
- SwagSouvenir T-Shirt
Bib Scout Report
| Event | Distance | Start | Current fee | Next increase |
|---|---|---|---|---|
| TMC Earth Day 5k Run/Walk | 5K | 8:30 AM MST | $40 | $45 on |
| Children's Discount | 5K | 8:30 AM MST | $12 | — |
Scouted from the official RunSignup listing. Fees shown exclude processing fees.Merit badges are detected from the organizer’s description. Dates, courses, and prices can change — confirm on the registration page.
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About TMC Earth Day 5K at Biosphere 2
2027 Registration Open Celebrate Earth Day with purpose and adventure at the TMC Earth Day 5K! Set against the majestic backdrop of the Santa Catalina Mountains, this unique event invites runners and walkers of all ages to explore the hidden backroads of the world-famous Biosphere 2. Whether you are pushing for a personal record or enjoying a scenic family walk, our rolling 3.1-mile course offers stunning desert vistas, culminating in an exciting finish on the iconic Great Lawn, set against the iconic architecture of the Biosphere 2. Free souvenir shirt for all registrants with a special add-on commemorative medal for sale, too! Event Highlights & Registration Details Event Date: Saturday, April 18th Scenic 3.1-Mile Course: A hilly route through private Biosphere 2 grounds with panoramic mountain views. Adult Registration ($40): Includes official 5K entry, a timed bib with a…
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