Sioux Falls Marathon

Sioux Falls, SD, USA

September 20, 2026

Partly cloudy throughout the day.

4 AM

5 AM

Details

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

Wind

13mph

Gusting to

27mph

12 PM

Wind

13mph

Gusting to

26mph

1 PM

Wind

12mph

Gusting to

26mph

2 PM

Wind

13mph

Gusting to

26mph

3 PM

Wind

12mph

Gusting to

25mph

Pre-Race

Race

Post-Race

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Race Overview

The Sioux Falls Marathon is South Dakota’s premier marathon weekend and features races for all levels of runners: from the Miracle 5K to a USATF certified Full Marathon that is a Boston Qualifying Race.

FAQ

When is the 2026 Sioux Falls Marathon?

The 2026 Sioux Falls Marathon will be held on Sunday September 20, 2026.

Is the Sioux Falls Marathon a Boston Marathon Qualfier?

Yes, the Sioux Falls Marathon is an official Boston Marathon qualifier.

What is the time limit for the Sioux Falls Marathon?

The time limit for the Sioux Falls Marathon is 6.5 hours.

Sioux Falls Marathon Weather History

Sioux Falls Marathon Weather Averages

Average Temp: 70°, Average Low: 61°, Average High: 80°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	61°	63°	65°	68°	71°	73°	76°
Feel	61°	63°	65°	68°	71°	73°	77°
Rain	-	-	-	-	-	-	-
Wind	9mph	9mph	10mph	13mph	14mph	14mph	13mph
Dew	58°	58°	59°	60°	61°	62°	62°
RunScore

Sioux Falls Marathon 2025

Sep 21, 2025

Partly cloudy throughout the day.

Low: 52°, High: 82°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	54°	55°	60°	67°	73°	77°	80°
Feel	54°	55°	60°	67°	73°	77°	81°
Rain	-	-	-	-	-	-	-
Wind	3mph	3mph	0mph	6mph	8mph	10mph	11mph
Dew	54°	54°	57°	58°	58°	58°	58°
RunScore

Sioux Falls Marathon 2024

Aug 25, 2024

Partly cloudy throughout the day.

Low: 75°, High: 91°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	75°	75°	75°	76°	77°	78°	82°
Feel	75°	75°	75°	76°	77°	78°	89°
Rain	-	-	-	-	-	-	-
Wind	7mph	8mph	10mph	11mph	9mph	8mph	7mph
Dew	74°	74°	74°	74°	74°	75°	76°
RunScore

Sioux Falls Marathon 2023

Aug 27, 2023

Becoming cloudy in the afternoon.

Low: 57°, High: 81°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	57°	62°	65°	68°	71°	74°	76°
Feel	57°	62°	65°	68°	71°	74°	76°
Rain	-	-	-	-	-	-	-
Wind	3mph	3mph	3mph	8mph	6mph	8mph	8mph
Dew	53°	56°	57°	58°	59°	60°	60°
RunScore

Sioux Falls Marathon 2022

Aug 28, 2022

Partly cloudy throughout the day.

Low: 67°, High: 88°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	67°	68°	71°	73°	76°	79°	82°
Feel	67°	68°	71°	73°	76°	79°	86°
Rain	-	-	-	-	-	-	-
Wind	10mph	9mph	10mph	13mph	16mph	15mph	16mph
Dew	64°	65°	66°	67°	68°	69°	70°
RunScore

Sioux Falls Marathon 2019

Sep 8, 2019

Cloudy skies throughout the day with a chance of rain throughout the day.

Low: 58°, High: 63°, Heavy Rain

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	58°	58°	59°	59°	60°	61°	62°
Feel	58°	58°	59°	59°	60°	61°	62°
Rain	moderate	light	-	light	-	-	-
Wind	10mph	10mph	15mph	15mph	14mph	13mph	9mph
Dew	56°	56°	57°	57°	58°	59°	60°
RunScore

Sioux Falls Marathon 2018

Sep 9, 2018

Partly cloudy throughout the day.

Low: 55°, High: 73°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	55°	57°	58°	62°	65°	66°	70°
Feel	55°	57°	58°	62°	65°	66°	70°
Rain	-	-	-	-	-	-	-
Wind	10mph	9mph	9mph	15mph	11mph	17mph	15mph
Dew	49°	50°	50°	53°	54°	55°	58°
RunScore

Sioux Falls Marathon 2017

Sep 10, 2017

Clearing in the afternoon with rain clearing later.

Low: 67°, High: 80°, Light Rain

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	67°	68°	69°	71°	73°	75°	79°
Feel	67°	68°	69°	71°	73°	75°	79°
Rain	-	-	-	-	-	-	-
Wind	16mph	18mph	16mph	14mph	24mph	24mph	24mph
Dew	62°	61°	61°	61°	60°	62°	62°
RunScore

Sioux Falls Marathon 2016

Sep 11, 2016

Clear conditions throughout the day.

Low: 56°, High: 80°

Time	7AM	8AM	9AM	10AM	11AM	12PM	1PM
Temp	57°	58°	61°	65°	69°	72°	75°
Feel	57°	58°	61°	65°	69°	72°	75°
Rain	-	-	-	-	-	-	-
Wind	11mph	14mph	16mph	20mph	22mph	20mph	16mph
Dew	49°	49°	51°	53°	55°	56°	56°
RunScore