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Marathon directory
Marathons in Sioux Falls, South Dakota
1 upcoming marathon listed in Sioux Falls. Next: Sioux Falls Marathon on September 20, 2026.
1marathon upcoming
Sioux Fallscity
September 20, 2026Next race
Marathon, Half marathon, 5K, Kids' Rundistances
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Planning notes for Sioux Falls, South Dakota, United States
Use this city page to shortlist 1 upcoming race by date, distance, registration path, and official source.
- Next raceSioux Falls Marathon on September 20, 2026
- Busy monthsSeptember (1)
- DistancesMarathon, Half marathon, 5K, Kids' Run
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.