RunRace USA › Arizona › TMC Earth Day 5K at Biosphere 2
TMC Earth Day 5K at Biosphere 2
Oracle, Arizona · Saturday, April 17, 2027 · 5K
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
TMC Earth Day 5K at Biosphere 2 takes place on Saturday, April 17, 2027 in Oracle, Arizona. The race is run over 5K. For anyone travelling in, Oro Valley is about 17 miles away and Tucson is about 27 miles away.
It is one of 27 races on the Arizona calendar that April.
- Date
- Saturday, April 17, 2027
- Location
- Oracle, Arizona
- Distances
- 5K
- Entry fee
- from $12 across event options; may include kids or shorter events. Check distance-specific prices and fees.
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in Oracle: check in Apr 16, out Apr 18.
Common questions
When is TMC Earth Day 5K at Biosphere 2?
TMC Earth Day 5K at Biosphere 2 is scheduled for Saturday, April 17, 2027.
Where is TMC Earth Day 5K at Biosphere 2 held?
TMC Earth Day 5K at Biosphere 2 is held in Oracle, Arizona. It is about 17 miles from Oro Valley and 27 miles from Tucson.
What distances does TMC Earth Day 5K at Biosphere 2 offer?
The listed distances are 5K.
How much does TMC Earth Day 5K at Biosphere 2 cost?
Listed event options start from $12. This minimum may be for a kids or shorter event. Check the official race page for your distance's current price and any additional fees.
How do I register for TMC Earth Day 5K at Biosphere 2?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- Feb 27WICKED FAST MARATHON & HALF MARATHON TUCSON, ARIZONATucson, AZ
- Jan 30AZT Oracle RumbleOracle, AZ
- Apr 10Desert Peak UltraOracle, AZ
- Mar 7TMC Arizona Distance Classic Half Marathon, Quarter Marathon and 5KOro Valley, AZ
- Apr 10Sabino Canyon Sunset RunTucson, AZ
See every race on the Arizona calendar, Arizona 5Ks, or use the Race Finder for maps and filters.