South Dakota Races

Marathons, Half Marathons, 10Ks, 5Ks

Races by State
South Dakota

Looking for South Dakota races? You’re in the right place!

Here are just a few of the upcoming marathons, half marathons, 10K races and 5Ks races happening in South Dakota. Browse races by city and distance, or click the “See More” link to see a complete list of races for your favorite distance.

For each race you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

Upcoming Marathons in South Dakota

Mainly Marathons Center of the Nation Series – Day 4 (SD) Belle Fourche, SD | 2020 CANCELED (2021 TBD)

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Leading Ladies Marathon & Half Marathon Spearfish, SD | Aug 23, 2020

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Brookings Marathon Brookings, SD | Sep 12, 2020

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Black Hills Veteran March and Marathon Rochford, SD | Sep 19, 2020

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Mainly Marathons Prairie Series – Day 3 (SD) Baltic, SD | 2020 CANCELED (2021 TBD)

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See more Marathon races in South Dakota

Upcoming Half Marathons in South Dakota

Lean Horse 100 Ultra Marathon Custer, SD | 2020 CANCELED (2021 TBD)

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Mainly Marathons Center of the Nation Series – Day 4 (SD) Belle Fourche, SD | 2020 CANCELED (2021 TBD)

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Leading Ladies Marathon & Half Marathon Spearfish, SD | Aug 23, 2020

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Sioux Falls Marathon & Half Marathon Sioux Falls, SD | Aug 30, 2020

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Wildlife Loop Triathlon Custer, SD | Sep 12, 2020

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See more Half Marathon races in South Dakota

Upcoming 10Ks in South Dakota

Mainly Marathons Center of the Nation Series – Day 4 (SD) Belle Fourche, SD | 2020 CANCELED (2021 TBD)

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Wildlife Loop Triathlon Custer, SD | Sep 12, 2020

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Mainly Marathons Prairie Series – Day 3 (SD) Baltic, SD | 2020 CANCELED (2021 TBD)

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SD Trail Running Championships Rockerville, SD | Oct 10, 2020

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Upcoming 5Ks in South Dakota

Mainly Marathons Center of the Nation Series – Day 4 (SD) Belle Fourche, SD | 2020 CANCELED (2021 TBD)

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Brookings Marathon Brookings, SD | Sep 12, 2020

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Mainly Marathons Prairie Series – Day 3 (SD) Baltic, SD | 2020 CANCELED (2021 TBD)

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Run Crazy Horse Crazy Horse, SD | Oct 3–4, 2020

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Swan Lake Marathon Viborg, SD | Jun 6, 2021

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See more 5K races in South Dakota