Marathons in South Dakota 2027

6 marathons and 4 half marathons coming up in South Dakota, by date. Rated races show how many minutes the course adds or saves against an average road race, from its climbing, surface and typical race-day weather.

Flattest marathons in South Dakota

Rated road races, least total climbing first.

  1. 1.Sundance to Spearfish MarathonSpearfish, 66m climbing, -10 min vs average, Sept 2027
  2. 2.Leading Ladies Marathon108m climbing, +7 min vs average, Aug 2027
  3. 3.Sioux Falls MarathonSioux Falls, 132m climbing, +4 min vs average, Sept 2027
  4. 4.Brookings MarathonBrookings, 166m climbing, -2 min vs average, Oct 2027
  5. 5.Run Crazy HorseCrazy Horse Memorial, 216m climbing, -1 min vs average, Oct 2027

Marathons in South Dakota (6)

June 2027

Deadwood Mickelson Trail Marathon

+46 min

Deadwood, South Dakota

6 June 2027Trail353m gainFull

Aug 2027

Leading Ladies Marathon

+7 min

South Dakota

22 Aug 2027Road108m gainFull

Sept 2027

Sundance to Spearfish Marathon

-10 min

Spearfish, South Dakota

12 Sept 2027Road66m gainFull

Sioux Falls Marathon

+4 min

Sioux Falls, South Dakota

19 Sept 2027Road132m gainFull

Oct 2027

Run Crazy Horse

-1 min

Crazy Horse Memorial, South Dakota

3 Oct 2027Road216m gainFull

Brookings Marathon

-2 min

Brookings, South Dakota

3 Oct 2027Road166m gainFull

Half marathons in South Dakota (4)

May 2027

Deadwood Mickelson Trail Half Marathon

+40 min

Deadwood, South Dakota

29 May 2027Trail221m gainHalf

Aug 2027

Leading Ladies' Marathon & Half Marathon

+1 min

Spearfish, South Dakota

15 Aug 2027Road107m gainHalf

Sept 2027

Mount Rushmore Half Marathon

+13 min

Keystone, South Dakota

11 Sept 2027Road501m gainHalf

Marathons in South Dakota at a glance

  • Busiest month: Aug 2027, with 3 races.
  • A typical marathon here climbs about 166m in total (the median of 6 rated courses), against about 145m across the USA.
  • Hilliest: Mount Rushmore Half Marathon, with 501m of climbing (road).
  • Coolest race day on average: Run Crazy Horse (Oct 2027, a typical high of 14°C). Warmest: Deadwood Mickelson Trail Marathon (June 2027, 27°C).

Marathons in other states

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