Upcoming Race: TMC Tucson 10K & 5k Run/Walk, Sept. 18, 2022 | More Info | Register

TMC Biosphere 15k, 5k, and Cox Family Mile, at the Biosphere 2

TMC Biosphere 15k, 5K, and COX Family Mile, at the Biosphere 2

October 23, 2022

New Location and New Distance:

In 2022 we’re coming back to the Biosphere 2!   The newly renamed TMC Biosphere 15k will take place on the grounds of the world-famous Biosphere 2, in Oracle, Arizona, nestled against the western foothills of the Catalina Mountains.  The new race distance of 15k will cover the rolling roads of the scenic Biosphere 2 property, as well as the scenic Biosphere Road. 

The Tucson Lifestyle 5k will circle the Biosphere 2 property, with a start/finish at the Great Lawn.  The COX Family Mile will be an out-and back family-friendly activity.

All entrants receive:
  • Souvenir race coaster medallion
  • Colorful race shirt
  • Free entry to Biosphere 2
  • Food and drink as part of the fun post-race activities
Beneficiaries: This will be the third race of the 2022 Gabe Zimmerman Triple Crown.  Proceeds will benefit The Biosphere 2, Team Hoyt Arizona, the BEYOND-Tucson Foundation, and the Southern Arizona Roadrunners.
We will use this race page, email, and our Run Tucson social media channels to provide updated information as we learn more.  For questions or to offer suggestions, contact Randy at randy@runtucson.net.

Running Shop SAR Grand Prix: This event will count towards the SAR membership Running Shop Grand Prix. See details here: http://azroadrunners.org/races/detail/grand_prix

Questions? Send ’em to race director Randy Accetta at randy@runtucson.net.

More information available here


Packet Pickup

Saturday, October 22 10am – 1 pm

Location: The Running Shop, 3055 North Campbell Avenue, Tucson.

Race Day Sunday, October 23

6:15-7:00 AM: Registration and packet pickup at front entrance to Biosphere 2

Location: 32540 S Biosphere Rd, Oracle, AZ 85739

See the race results for the 2021 edition at www.roadrunnerracetiming.com.

All race results since 2004 can be found at our friends, the Southern Arizona Roadrunners — click here

Randy Accetta: randy@runtucson.net