Next Up: TMC Earth Day 5k at the scenic Biosphere 2 in Oracle, AZ Registration Info Here

Online registration for April 23 TMC Earth Day 5k has closed, but you can still register in person — see details below

April 21: Thanks for visiting!  Online registration has closed, but you can still register in person on Friday, April 22 or Saturday, April 23, paying by check or cash.  The fee is $40 and while all race weekend registrants will receive free entry to the Biosphere 2, all in-person registrants will only be able to receive a shirt or medal on a first-come, first-served basis starting at 9:00 am at the finish line area after the race on Saturday, April 23.

Please click here for the April 22nd pre-race email to all race participants, with details on the race weekend schedule and activities. 

Click here for the KGUN Morning Blend interview about the TMC Earth Day 5k at the Biosphere 2.

Friday, April 22 at The Running Shop, 3055 North Campbell, Tucson
3:00 – 6:00 pm Packet pickup and in-person registration.
Medals to the first 400 registered. Race numbers will be marked.
T-shirts to all pre-registered, with sizing given away on a first-come, first-served basis at packet pickup.
YES: you can pick up someone else’s number
NO: at this point, you cannot transfer registrations
YES: people can register in person, paying with cash or check
YES: you can shop at the Running Shop and pick up snazzy shoes or comfortable clothes or slick sunglasses
YES: it may be crowded, so please be nice to one another
YES: we’re super-grateful to Sharon and the crew at the Running Shop, plus our registration volunteers Connie, Sandy, Kathy, Caitlin, and Rob
Saturday, April 23rd at Biosphere 2, 32540 S Biosphere Rd, Oracle, AZ 85739
6:30- 7:15 am Race day registration and packet pick up in the parking lot by the front entrance at the Biosphere 2.
Medals to the first 400 registered. Race numbers will be marked.
T-shirts to all pre-registered, with sizing given away on a first-come, first-served basis at packet pickup.
Carpool: Please consider carpooling — it is about a 40 minute drive from mid-Tucson.
7:30 am Start time for TMC Earth Day 5k Run/Walk
8:45 am Free Kids Dash on the Great Lawn
9:15 am Awards, courtesy of the Running Shop. Remaining medals and shirts given to late participants
10:00 Event wrap-up
Ongoing: All registrants can visit Biosphere 2 on their own — no need for a formal tour!
All non-running guests can purchase Biosphere 2 admission for the discounted rate of $11 (before 8:30 am) and all children under 12 are free.
SOUVENIR REMINDER: If you are among the first 400 registrants who registered before April 7th, you will be able to pick up your medal and shirt at packet pick-up before the race and on race morning. After the race, remaining medals will be available to all registrants, including those who registered after April 6th. See the list of registrants below for souvenir status.
T-SHIRT REMINDER: All of you receiving this pre-registered and can receive a race shirt. Shirts will be provided on a first-come, first-served basis today, Friday, April 22nd at The Running Shop from 3-6 and tomorrow, Saturday, April 23rd, at the packet pickup site at the front gate of the Biosphere 2 from 6:30-7:15 am.
AFTER THE RACE: We expect that at about 9:15 am we will have remaining shirts and medals for pickup at the Run Tucson tent near the finish line.
All remaining shirts and medals will be brought to the Running Shop and available for remainder pickup between April 26 – May 15.

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