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Day: April 4, 2025

Racing for Climate Research Press Release

April 4, 2025 by Randy Accetta

Racing for Climate Research: Run Tucson press release announcing the April 18 TMC Earth Day 5k at the Biosphere 2

Categories Races, Running News, Upcoming Events Tags 5k, biosphere, biosphere 2, earth day, earth day 5k, Run Tucson, running

2026-2027 Run Tucson Event Calendar

Exceptional running events, with scenic routes through Arizona’s popular vacation destinations.

October 24, 2026: Grand Canyon Trail Marathon, Half Marathon & 5k Run/Walk, produced in partnership with the Town of Tusayan, AZ

November 14, 2026: Inaugural Rancho Sahuarita Trails and Tails 5k and Doggie Dahs

November 21, 2026: El Tour de Tucson 5k Run/Walk, produced in partnership with Perimeter Bicycling

January 23, 2027: Empire Ranch Trail Run: Trail 10k, 5k, and Family Mile, produced with the Empire Ranch Foundation

February 21, 2027: TMC Old Tucson Trail Run: 8-Miler, 4-Miler and Family Mile

March 7, 2027: TMC Arizona Distance Classic: Half-Marathon, Quarter Marathon, and 5k, presented by the Southern Arizona Roadrunners

April 17, 2027: TMC Earth Day 5k at the Biosphere 2

April 25, 2027: Inaugural Rancho Sahuarita Lakeside 5k

June 5, 2027 21st Annual TMC Meet Me Downtown 5k Night Run/Walk and Festival of Miles: Open, Free High School, Free FitKidz

September 6, 2027: 56th Annual TMC Saguaro National Park Labor Day 8-Miler and 5k, presented by the Southern Arizona Roadrunners

September 12, 2027: 11th Annual TMC Tucson 10K and companion 5k

October 17, 2027: TMC A-Mountain Events: TMC Half Marathon, Cigna Healthcare 4-Miler, SAR FitKidz Mile, and Run Tucson Family Mile

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