In 5 days · Sun, Aug 2, 2026
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Sunday, August 2nd, 2026
TBD, Sioux Falls SD
1 Mile · 5K · 10K · Half
64–82°F · some rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
58–75°F
dry
2024
66–90°F
dry
2023
71–84°F
dry
2022
73–102°F
dry
2021
56–78°F
dry
2020
63–76°F
dry
2019
69–77°F
dry
2018
51–77°F
dry
2017
62–79°F
rain
2016
69–86°F
dry
Best months to race in South Dakota →
Race-day forecast · Sunday, Aug 2
Partly cloudy · 64–95°F
Sunday, Aug 2starts near 64°F · 1% chance of rain · wind up to 15 mph
About this race
Event Overview
Join us for the Heatwave Half Marathon, 10K, &: 5K! A sun-soaked summer challenge that’s perfect for the whole family.
Event Features
- Great Swag: designer shirt &: custom medal
- Chip-timing: with live results and awards
- Free Photos: capture your memories
- Cool Off: FREE ice cream at the finish
Community Welcome
Grab your friends and family—you won’t want to miss this one!
Virtual Race Option
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
Youth-based pricing is available: ages 12 &: under are only $17!
Registration Details
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!)
Registration Deadline
Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
Event Information
Date: 2026-08-02
Location: TBD, Sioux Falls, SD
More Info: Heatwave Half Marathon
Course map
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