Endurance Race Calendar May

May

01

U of U Health 50k in May 2026

Salt Lake City, Utah, United States

Running

Ultra

May

01

Everest Challenge

Air Force Academy, Colorado, United States

May

01

Pirates ROCK End-of-Year Celebration + Sharpen the Saw Challenge

Kansas City, Missouri, United States

May

01

Pirate Virtual 5K, 10K, 13.1M, & 26.2M (May 2026)

Anywhere, United States

Running

5K 10K Half-Marathon Marathon

May

01

ChadTough Defeat DIPG Superhero Sprint & 6K

Bethesda, Maryland, United States

Running

6K

May

01

ACOG on the Move!

Washington, District Of Columbia, United States

Running

5K 1.6K

May

01

2026 Alton Hall Fun Run

Galloway, Ohio, United States

Running

3.2K

May

01

Indy Mini Shakeout Run

West Lafayette, Indiana, United States

Running

4.8K

May

01

Give Big Backyard Boogie

Bozeman, Montana, United States

May

01

Los Runners Cinco de Mile-O Beer Mile

Norwalk, Connecticut, United States

Running

1.6K

May

01

Pink Strides: A Virtual 5K Supporting Women's Health

Smyrna, Georgia, United States

Running

5K

May

01

Extra Energy Challenge – Move for Chromosomal Variation Awareness

Rockville, Maryland, United States