Endurance Race Calendar May

Girls on the Run Puget Sound

Seattle, Washington, United States

May 31, 2026 (Sun)

Glastonbury Education Foundation 5K Run/Walk (GEF5K)

Glastonbury, Connecticut, United States

May 31, 2026 (Sun)

Running

5K

Father's Day Race to end Polio Run/Walk 5K

Parkersburg, West Virginia, United States

May 31, 2026 (Sun) – Jun 6, 2026

Running, Walking

5K

Hometown Half Marathon & 5k/10k - Chattanooga

Chattanooga, Tennessee, United States

May 31, 2026 (Sun)

Running

1.6K 5K 10K Half-Marathon +1

Hometown Half Marathon & 5k/10k - Memphis

Memphis, Tennessee, United States

May 31, 2026 (Sun)

Running

1.6K 5K 10K Half-Marathon

Infinite Love Tutu Trot 5K Run/Walk

Middletown, New Jersey, United States

May 31, 2026 (Sun)

Running

5K

Amanda Holmes Memorial Scholarship 5k Terrain Run

Leavenworth, Kansas, United States

May 31, 2026 (Sun)

Running

5K

Kensington Annual Crowned Hawk Classic

Kensington, New Hampshire, United States

May 31, 2026 (Sun)

Running

5K 1.6K

Field House Cancer Foundation 5k Run

Cleveland, Ohio, United States

May 31, 2026 (Sun)

Running

5K 1.6K

2026 Badass Human Race Presented by GECU

El Paso, Texas, United States

May 31, 2026 (Sun)

Obstacle race, Running

4.8K +60

Bleu's Run for Rescue 5K

Washingtonville, New York, United States

May 31, 2026 (Sun)

Running

4.8K

Everybody Rides 2026

Saint Charles, Illinois, United States

May 31, 2026 (Sun)

Cycling

2.4K 16.1K 46.7K Ultra +1