Marathons in South Dakota, United States
12 upcoming races are listed in South Dakota, including 6 marathons, 10 half marathons and 2 ultras. The next is Golden Harvest Half Marathon & 5k/10k - Sioux Falls on September 26, 2026.
October has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
12
Races listed
6
Marathons
October
Busiest month
25 May
Last updated
| Date | Race | City | Distances |
|---|---|---|---|
| 26 Sep 2026 26Sep 26 | Golden Harvest Half Marathon & 5k/10k - Sioux Falls | Sioux Falls | 21.1K · 10K · 5K |
| 1 Oct 2026 01Oct 26 | Center of the Nation Series - Day 4 (SD) | South Dakota | 42.2K · 21.1K |
| 1 Oct 2026 01Oct 26 | Center of the Nation - SD | Belle Fourche | 42.2K |
| 3 Oct 2026 03Oct 26 | Brookings Marathon | Brookings | 42.2K · 21.1K · Relay |
| 4 Oct 2026 04Oct 26 | Palace City Kiwanis Half Marathon, 10k, and 5k | Mitchell | 21.1K |
| 4 Oct 2026 04Oct 26 | Run Crazy Horse | Crazy Horse | 42.2K · 21.1K · Relay |
| 11 Oct 2026 11Oct 26 | Spooky Sprint- Sioux Falls | Sioux Falls | 21.1K · 10K · 5K |
| 17 Oct 2026 17Oct 26 | Brookings Marathon | South Dakota | Ultra · 42.2K · 21.1K |
| 7 Nov 2026 07Nov 26 | Glacier Hills Ultra 50K | Canton | 50K · 30K · 20K |
| 28 Nov 2026 28Nov 26 | Turkey Trails - Sioux Falls | Sioux Falls | 21.1K · 10K · 5K |
| 24 Apr 2027 24Apr 27 | River Rat Run | Yankton | 21.1K · 10K · 5K |
| 12 May 2027 12May 27 | Prairie Series - SD | Baltic | 42.2K · 21.1K |
Around South Dakota
This is the most detailed level of the directory. Widen the search to the surrounding region.
Common questions
When is the next race in South Dakota?
Golden Harvest Half Marathon & 5k/10k - Sioux Falls on September 26, 2026. The table above lists every upcoming race in date order.
Which months are busiest in South Dakota?
October (7), November (2), April (1), counting every upcoming race listed in South Dakota.
Which distances can I run in South Dakota?
The listed races include 6 marathons, 10 half marathons, 2 ultras, 5 10Ks and 7 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source