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2,129 marathons found for 5K. Keep the list broad first, then tighten the filters when a race looks realistic.





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San Antonio, Texas, United States
26SEP
21.1K
Run for Donuts 5K/10K/13.1 SAN ANTONIO
San Antonio, Texas, United States
September 26, 2026 SEP
San Diego, California, United States
26SEP
21.1K
Run for Donuts 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
September 26, 2026 SEP
San Francisco, California, United States
26SEP
21.1K
Run for Donuts 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
September 26, 2026 SEP
Seattle, Washington, United States
26SEP
21.1K
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
September 26, 2026 SEP
Tampa, Florida, United States
26SEP
21.1K
Run for Donuts 5K/10K/13.1 TAMPA
Tampa, Florida, United States
September 26, 2026 SEP
Davidson, North Carolina, United States
26SEP
21.1K
Run for Green
Davidson, North Carolina, United States
September 26, 2026 SEP
Canada
26SEP
ULTRA
Run Off-the-Grid
Canada
September 26, 2026 SEP
Far Rockaway, New York, United States
26SEP
21.1K
Run Rockaway Beach NYC Half Marathon (Tune Up) and 5K
Far Rockaway, New York, United States
September 26, 2026 SEP
Australia
26SEP
42.2K
Run Shellharbour: September 2026
Australia
September 26, 2026 SEP
Lebanon, Tennessee, United States
26SEP
ULTRA
Run4Water Ultra Festival
Lebanon, Tennessee, United States
September 26, 2026 SEP
Sault Sainte Marie, Michigan, United States
26SEP
21.1K
Sault International Festival of Races
Sault Sainte Marie, Michigan, United States
September 26, 2026 SEP
Gulf Breeze, Florida, United States
26SEP
42.2K
Seiz Up: A Run for Epilepsy Awareness
Gulf Breeze, Florida, United States
September 26, 2026 SEP
Spain
26SEP
21.1K
Soria Half Marathon
Spain
September 26, 2026 SEP
New Zealand
26SEP
21.1K
Sri Chinmoy Spring Half Marathon, 10 km, & Kids 2.5 km
New Zealand
September 26, 2026 SEP
Saint Joseph, Missouri, United States
26SEP
42.2K
St. Joseph Marathon
Saint Joseph, Missouri, United States
September 26, 2026 SEP
Boise, Idaho, United States
26SEP
21.1K
St. Luke's FitOne 5K/10K/Half Marathon
Boise, Idaho, United States
September 26, 2026 SEP
Roscoe, Illinois, United States
26SEP
42.2K
Stone Bridge Half Marathon and 5k
Roscoe, Illinois, United States
September 26, 2026 SEP
Huntsville, Alabama, United States
26SEP
ULTRA
THE F5 Half Marathon, 5K & 1 Mile
Huntsville, Alabama, United States
September 26, 2026 SEP
Quitman, Mississippi, United States
26SEP
ULTRA
The Ivy Trek Ultra
Quitman, Mississippi, United States
September 26, 2026 SEP
Monona, Wisconsin, United States
26SEP
21.1K
The Wisconsin Lakeside Half Marathon & 5K (formerly Rockin Brews Marathon)
Monona, Wisconsin, United States
September 26, 2026 SEP
Oakley, Utah, United States
26SEP
ULTRA
Utah Marathon (Full/Merikos/Half/10k/5k)
Oakley, Utah, United States
September 26, 2026 SEP
West Jordan, Utah, United States
26SEP
21.1K
Witch Run Half Marathon - 10K - 5K
West Jordan, Utah, United States
September 26, 2026 SEP
Stevens Point, Wisconsin, United States
26SEP
21.1K
Wonderful Water Run: Half Marathon, 10K, 5K and Kid's Run
Stevens Point, Wisconsin, United States
September 26, 2026 SEP
Cincinnati, Ohio, United States
26SEP
21.1K
Yeti Trail Run 5K/10K/Half-Marathon/30K
Cincinnati, Ohio, United States
September 26, 2026 SEP

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