Marathon directory
Marathons in South Dakota, United States
30 upcoming marathons listed in South Dakota across 2 cities. Next: Lennox Lapsley's Running for Healthy Hearts on July 11, 2026.
30marathons upcoming
2cities
July 11, 2026Next race
Marathon, Half marathon, Ultra, 10K, 5K, RelayDistances
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11OCT
21.1K
course — Sioux Falls, South Dakota, United States
Spooky Sprint- Sioux Falls
Sioux Falls, South Dakota, United States
OCT
17OCT
ULTRA
course — South Dakota, United States
Brookings Marathon
South Dakota, United States
OCT
07NOV
ULTRA
course — Canton, South Dakota, United States
Glacier Hills Ultra 50K
Canton, South Dakota, United States
NOV
28NOV
21.1K
course — Sioux Falls, South Dakota, United States
Turkey Trails - Sioux Falls
Sioux Falls, South Dakota, United States
NOV
24APR
21.1K
course — Yankton, South Dakota, United States
River Rat Run
Yankton, South Dakota, United States
APR
12MAY
42.2K
course — Baltic, South Dakota, United States
Prairie Series - SD
Baltic, South Dakota, United States
MAY
Cities listed in South Dakota
Cities
| Place | Marathons |
|---|---|
| Rapid City | 1 |
| Sioux Falls | 1 |
Planning notes for South Dakota, United States
Use this region page to shortlist 30 upcoming races by date, distance, registration path, and official source.
- Next raceLennox Lapsley's Running for Healthy Hearts on July 11, 2026
- Busy monthsAugust (7), October (7), September (7)
- DistancesMarathon, Half marathon, Ultra, 10K, 5K, Relay
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.