Endurance Race Calendar May

Tulsa Area Triathletes Open Water Swim

Sand Springs, Oklahoma, United States

May 26, 2026 (Tue) – Aug 25, 2026

Free

Swimming

Tuesday May 26 Keystone OWS Free for TAT Members Tuesday June 2 Keystone OWS Free for TAT Members Tuesday June 9 Keystone OWS Free for TAT Members Tuesday June 16 Keystone OWS Free for TAT Members +10

Tuesdays In The Park Ice Cream 5k & Kids Fun Run May 26

Pottstown, Pennsylvania, United States

May 26, 2026 (Tue)

Running

5K 1.6K

IHR Swags 5K

Louisville, Kentucky, United States

May 26, 2026 (Tue)

Running

5K 1.6K

Blue Jeans Mile hosted by Manhattan Track Club

New York, New York, United States

May 26, 2026 (Tue)

Running

1.6K

Wayniacs Weekly Robinson Run

Agawam, Massachusetts, United States

May 26, 2026 (Tue) – Aug 25, 2026

$7.00

Trail running

5K +10

Youth TNT Program

Fort Collins, Colorado, United States

May 26, 2026 (Tue) – Aug 4, 2026

Dallas Running Club Fast Track Summer Training Program

Dallas, Texas, United States

May 26, 2026 (Tue) – Jul 16, 2026

Running

Heartland Youth Racing Team

Ozark, Missouri, United States

May 26, 2026 (Tue) – Aug 27, 2026

RRR Summer Track 2026

Blauvelt, New York, United States

May 26, 2026 (Tue) – Sep 1, 2026

Free

Running

8K

Cotton Row Run

Huntsville, Alabama, United States

May 25, 2026 (Mon)

Running

10K 5K 1.6K

The Memorial Day 5k

Dayton, Ohio, United States

May 25, 2026 (Mon)

Running

5K

The Memorial Day Mile

Columbia City, Indiana, United States

May 25, 2026 (Mon)

Running

1.6K