In 320 days · Sun, Aug 1, 2027
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Sunday, August 1st, 2027
TBD, Greater Chicago IL
1 Mile · 5K · 10K · Half
67–80°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2026
69–72°F
rain
2025
65–72°F
dry
2024
73–85°F
rain
2023
65–82°F
dry
2022
71–87°F
dry
2021
65–71°F
dry
2020
69–75°F
rain
2019
60–75°F
dry
2018
64–83°F
dry
2017
68–79°F
rain
Best months to race in Illinois →
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 moments
- Refreshing Treat: FREE ice cream at the finish to help you cool off
- Summer Fun: Plenty of hot fun in the summer sun!
Get Involved
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 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!
Race Information
Date: 2027-08-01
Location: Greater Chicago, IL
More Information
Course map
Hotels for race weekend
Live prices near the start line, Jul 31 – Aug 2, 2027.
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