Heatwave Half Marathon - Sioux Falls | Sioux Falls, SD, United States

About the Event

Join us for the Heatwave Half Marathon, 10K, & 5K!
A sun-soaked summer challenge that’s perfect for the whole family.

The fun includes –

Great Swag – designer shirt & custom medal
Chip-timing with live results and awards
Free photos
FREE ice cream at the finish to help you cool off
Plenty of hot fun in the summer sun!

Grab your friends and family—you won’t want to miss this one!

Can’t make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag!

Youth-based pricing is available: ages 12 & under are only $17!

Half Marathon/10K/5K registration includes a custom bib, designer shirt, and an awesome finisher medal!
1 Mile registration is untimed and includes a custom bib, designer shirt, and an awesome finisher medal!
Kid’s Dash is a fun, untimed dash for ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specially crafted medal for our youngest runners! (If your child wants to run the kid’s dash without swag, they’re welcome to run free on race day!)

Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!

Races Offered

1 Mile

Aug 02, 2026

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Distance — 1 Miles

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Type — Running

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07:00

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$22.00

10 K

Aug 02, 2026

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Distance — 10K

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Type — Running

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07:00

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$30.00

5 K

Aug 02, 2026

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Distance — 5K

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Type — Running

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07:00

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$30.00

Half-Marathon

Aug 02, 2026

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Distance — 13.1 Miles

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Type — Running

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07:00

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$40.00

Half-Marathon Relay

Aug 02, 2026

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Distance — 13.1 Miles

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Type — Running

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07:00

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$40.00

Kids Dash

Aug 02, 2026

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Distance — 50m

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Type — Running

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07:00

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$17.00

Virtual Race

Aug 02, 2026

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Distance — Virtual Race

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Type — Running

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07:00

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$42.00

Volunteer Then Run

Aug 02, 2026

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Distance — Volunteer Then Run

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Type — Running

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07:00

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$17.00

Weather History

These values represent the 3-year monthly averages for August in Sioux Falls.

thermostat Temperature

17.6° / 27.2°

wb_sunny Feels like

16.9° / 27.3°

light_mode Avg sunshine hours

11h 26m

water_drop Avg rainfall

2.7 mm

ac_unit Avg snowfall

—

air Avg wind speed

13.2 km/h (Gentle breeze)

opacity Sweat loss rate

High

terrain Course conditions

Hard and dry surface

sunny Max UV Index

High (7.0)

humidity_mid Humidity

74.3%

wb_twilight Sunrise

06:33

nightlight Sunset

20:27

About Sioux Falls

Learn more about the host city, Sioux Falls.

Sioux Falls is a city of about 184,000 (2019) in Southeast South Dakota. Founded in 1883 in what was then known as the Dakota Territory, Sioux Falls has grown from a sleepy Midwestern town into a resort for shopping and tourism in the northern Great Plains. It is widely recognized as the largest urban center between Minneapolis and Denver.