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Marathons in South Dakota, United States

24 upcoming marathons listed in South Dakota across 2 cities. Next: Heatwave Half Marathon - Sioux Falls on August 2, 2026.

24marathons upcoming
2cities
August 2, 2026Next race
Marathon, Half marathon, Ultra, 10K, 5K, RelayDistances
Sioux Falls, South Dakota, United States
02AUG
21.1K
Heatwave Half Marathon - Sioux Falls
Sioux Falls, South Dakota, United States
August 2, 2026 AUG
Rapid City, South Dakota, United States
08AUG
42.2K
Mount Rushmore Marathon & Half
Rapid City, South Dakota, United States
August 8, 2026 Certified
Sioux Falls, South Dakota, United States
08AUG
21.1K
Popsicle 5K/10K/Half - Sioux Falls
Sioux Falls, South Dakota, United States
August 8, 2026 AUG
South Dakota, United States
16AUG
ULTRA
Leading Ladies' Marathon & Half Marathon
South Dakota, United States
August 16, 2026 AUG
Spearfish, South Dakota, United States
23AUG
42.2K
Leading Ladies Marathon / Dakota Spirit Marathon
Spearfish, South Dakota, United States
August 23, 2026 AUG
South Dakota, United States
23AUG
ULTRA
Sioux Falls Marathon
South Dakota, United States
August 23, 2026 AUG
Spearfish, South Dakota, United States
12SEP
ULTRA
Black Hills Backyard Ultra
Spearfish, South Dakota, United States
September 12, 2026 SEP
Keystone, South Dakota, United States
12SEP
21.1K
Mount Rushmore Half Marathon
Keystone, South Dakota, United States
September 12, 2026 SEP
South Dakota, United States
13SEP
42.2K
Sundance to Spearfish Marathon
South Dakota, United States
September 13, 2026 SEP
Deadwood, South Dakota, United States
16SEP
ULTRA
Black Hills Veterans March and Marathon
Deadwood, South Dakota, United States
September 16, 2026 SEP
Brookings, South Dakota, United States
19SEP
ULTRA
Jack 15 Road Race
Brookings, South Dakota, United States
September 19, 2026 SEP
Sioux Falls, South Dakota, United States
20SEP
42.2K
Sioux Falls Marathon
Sioux Falls, South Dakota, United States
September 20, 2026 BQ Qualifier
Sioux Falls, South Dakota, United States
26SEP
21.1K
Golden Harvest Half Marathon & 5k/10k - Sioux Falls
Sioux Falls, South Dakota, United States
September 26, 2026 SEP
South Dakota, United States
01OCT
42.2K
Center of the Nation Series - Day 4 (SD)
South Dakota, United States
October 1, 2026 OCT
Belle Fourche, South Dakota, United States
01OCT
42.2K
Center of the Nation - SD
Belle Fourche, South Dakota, United States
October 1, 2026 OCT
Brookings, South Dakota, United States
03OCT
42.2K
Brookings Marathon
Brookings, South Dakota, United States
October 3, 2026 OCT
Mitchell, South Dakota, United States
04OCT
21.1K
Palace City Kiwanis Half Marathon, 10k, and 5k
Mitchell, South Dakota, United States
October 4, 2026 OCT
Crazy Horse, South Dakota, United States
04OCT
42.2K
Run Crazy Horse
Crazy Horse, South Dakota, United States
October 4, 2026 OCT
Sioux Falls, South Dakota, United States
11OCT
21.1K
Spooky Sprint- Sioux Falls
Sioux Falls, South Dakota, United States
October 11, 2026 OCT
South Dakota, United States
17OCT
ULTRA
Brookings Marathon
South Dakota, United States
October 17, 2026 OCT
Canton, South Dakota, United States
07NOV
ULTRA
Glacier Hills Ultra 50K
Canton, South Dakota, United States
November 7, 2026 NOV
Sioux Falls, South Dakota, United States
28NOV
21.1K
Turkey Trails - Sioux Falls
Sioux Falls, South Dakota, United States
November 28, 2026 NOV
Yankton, South Dakota, United States
24APR
21.1K
River Rat Run
Yankton, South Dakota, United States
April 24, 2027 APR
Baltic, South Dakota, United States
12MAY
42.2K
Prairie Series - SD
Baltic, South Dakota, United States
May 12, 2027 MAY

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Cities

Place Marathons
Rapid City 1
Sioux Falls 1

Planning notes for South Dakota, United States

Use this region page to shortlist 24 upcoming races by date, distance, registration path, and official source.

  • Next raceHeatwave Half Marathon - Sioux Falls on August 2, 2026
  • Busy monthsOctober (7), September (7), August (6)
  • DistancesMarathon, Half marathon, Ultra, 10K, 5K, Relay
  • VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.

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