South Dakota Half Marathons
Official Walker Friendly Half Marathons in South Dakota
18:32 mile / 4 Hour Minimum course time limit= (W)
Symbol only applies to half marathon events
Trail Half Marathons (T)
Date
Does NOT meet the Walker Friendly 4 hour minimum (18:32 / mi) = Not Walker Friendly (NWF)
Location
No South Dakota Half Marathons 2026 in January at this Time
No South Dakota Half Marathons 2026 in February at this Time
No South Dakota Half Marathons 2025 in March at this Time
Sat Apr 26, 2025
Yankton, SD
Sat May 17, 2025 (NWF)
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Sun May 18, 2025
Watertown, SD
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Sioux Falls, SD
Sun Jun 1, 2025
Deadwood, SD
Sat Jul 12, 2025 (W)
Spearfish, SD
Sun Aug 17, 2025
Spearfish, SD
Sun Sep 21, 2025 (NWF)
Sioux Falls, SD
Thu Oct 2, 2025 (W)
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Thu Oct 5, 2025 (W)
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Sun Oct 5, 2025
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Sat Oct 18, 2025 (NWF)
MM Center of the Nation Marathon, Half, 10k, 5k day 4
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Palace City Kiwanis Half Marathon, Relay, 10k, 5k
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Run Crazy Horse Marathon, Half Marathon & Relay
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Belle Fourche, SD
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Mitchell, SD
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Hill City, SD
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Brookings, SD
No South Dakota Half Marathons 2025 in November at this Time
No South Dakota Half Marathons 2025 in December at this Time
South Dakota Half Marathon Calendar event dates in grey are delinquent dates not updated by the race organizer yet. We strive to have dates 1 year out for South Dakota half marathons, but have no control of when they set, announce or update their dates.
South Dakota Half Marathons
The South Dakota Half Marathon Calendar is a complete simplistic listing of South Dakota half marathons. Currently the South Dakota half marathon schedule has 2025 South Dakota half marathons and 2026 South Dakota half marathons as they roll in. South Dakota half marathons 2025 & South Dakota half marathons 2026 also identify trail half marathons and walker friendly half marathons by a (T) symbol and a (W) symbol. The (T) means it is a TRUE trail half marathon 21k (off road, switchbacks, etc) and a (W) means it is truly "official walker friendly" requiring the half marathon to allow a minimum of 18:32 mile pace, minimum 4 hours for participants to finish the 13.1 mile distance.
The South Dakota half marathon calendar features a complete listing of Yankton half marathons, Brookings half marathons, Deadwood half marathons, Viborg half marathons, Spearfish half marathons, Aberdeen half marathons, Rapid City half marathons, Sioux Falls half marathons, Belle Fourche half marathons and any other 1/2 marathons in SD.