OCTOBER 5, 2025
On Sunday, October 5, join thousands of runners in iconic Grant Park for the 2025 Under Armour Chicago 10K.
Countdown to Race Day
Race Highlights
Race Details
DateSunday, October 5, 2025
Time 8:00 a.m.
Location
Grant Park
1501 S Lakeshore Drive
Chicago, IL 60605
Distance
10K (6.2 miles)
Ready.Set. Register
Official
2025 Swag
All participants will receive an Under Armour race shirt, finisher medal, and official bib number with their entry.
register to race
Entries will be accepted on a first come, first served basis. Once sold out, we are unable to allow any additional registrations.
Course Map
Limited Edition
Finisher Merch
Get access to exclusive Chicago 10K merchandise from Under Armour and more at checkout.
Run
Chicago
Packet Pick-Up
There are 3 options for picking up your race packet. Your QR code from your confirmation email is needed to pick up your race packet.
Option 1
Pick up your race packet in person prior to the race at:
Under Armour
600 N Michigan Avenue
Chicago, IL 60611
Saturday, October 4, 2025 (12:00 p.m. - 6:00 p.m.)
Option 2
Have a friend or family member pick up your race packet for you by presenting your QR code prior to the race (location, dates, and times listed above).
Option 3
Race Day Packet Pickup. For $15 per race packet, you can pick up your race packet on race day at the race site before the event from 7:00 a.m. - 7:45 a.m. You can sign up for this service during the registration process.
Please note only those who register for Race Day Packet Pickup will be able to pick up their race packet on race day.
Race Day
On race day, be sure to allow enough time to check in (e.g., parking, gear check, etc.) before the race. We recommend participants arrive at least 45 minutes before the start of the race.
Start Time
8:00 a.m.
Race Location
Grant Park - Arvey Field
1501 S Lakeshore Drive
Chicago, IL 60605
Arvey Field is NE of the Roosevelt Road & Columbus Dr intersection.
Parking & Transportation
Participants are strongly encouraged to carpool or use public transportation to the race site. If you drive, please allow sufficient time for heavy traffic and street closures due to the race.
SpotHero
We recommend booking convenient and affordable parking in advance through SpotHero.
To reserve your parking spot, visit the Chicago 10K SpotHero parking page.
Weather Policy
The Under Armour Chicago 10K will take place rain or shine. In the event of inclement weather (e.g., lightning) or other conditions that may affect the safety and health of participants, race officials reserve the right to delay, postpone, or cancel the race.
Course Details
Distance
10K (6.2 miles)
Start Location
Grant Park - Arvey Field
1501 S Lakeshore Drive
Chicago, IL 60605
Arvey Field is NE of the Roosevelt Road & Columbus Dr intersection.
Timing
The Under Armour Chicago 10K will feature the B-Tag Chronotrack timing system. All participants will receive a B-Tag timing device with their bib number.
Course Time Limit
Please note all participants must maintain a 15:00 minute per mile pace or faster.
Volunteer
Thank you for volunteering for the 2025 Under Armour Chicago 10K. Volunteers are needed to assist with every aspect of the race, including:
Needs
Course Marshal
Start line and finish line support
Aid Station support
Gear Check
Course set up and tear down
Packet Pick-Up
Water and Gatorade station support
Clean up
For more information, please email us at info@chicago10k.com.
Beneficiary
The beneficiary of the 2025 Under Armour Chicago 10K is Special Olympics Chicago | Special Children’s Charities.
About
Created in 1969, Special Children's Charities serves thousands of Chicagoans with intellectual disabilities by providing millions of dollars annually for year-round athletic competition and sports training programs administered by the Chicago Park District, the Chicago Public Schools, and various agencies throughout the City of Chicago.
Special Children’s Charities also provides life-enriching programs such as a Creative Arts Therapy Program through CPS, an After 22 Project through City Colleges of Chicago, an athlete-produced cable access television show, and a series of popular online events, like online cooking and art classes.
Participants are of all ages, live in all 77 neighborhoods of the city, the majority of whom live at or below the poverty line.
For more information on how you can get involved, visit www.sochicago.org.
Refund Policy
Refund Policy
All registrations are nonrefundable. No exceptions. As with all events, proceeds from the event are used to cover the numerous nonrefundable pre and post-race expenses required to produce the event (e.g., venue rental, city permits, park district permits, medical personnel, police and traffic control, security, participant shirts, finisher medals, bib numbers, timing chips, equipment rental, participant food and refreshments, tents and staging, event staff, signage, event supplies, portable restrooms, etc.).
Weather Policy
The Under Armour Chicago 10K will take place rain or shine. In the event of inclement weather (e.g., lightning) or other conditions that may affect the safety and health of participants, race officials reserve the right to delay, postpone, or cancel the race.
Lightning Policy
In the event of lightning, the race will be postponed 30 minutes if lightning is detected within a 10 mile radius. Additionally, every time lightning is detected within a 10 mile radius, the 30 minute timing increment will restart.
F.A.Q.
Can I get a refund?
All registrations are nonrefundable. No exceptions.
Can I walk the race?
Walkers are welcome to participate. Please note all participants must maintain a 15:00 minute per mile pace or faster.
Where can I find my bib number?
Bib numbers will be assigned at Packet Pickup.
Can a third party pick up my race packet?
Yes, a third party can pick up your race packet during the designated Packet Pickup times. To do so, they will need to present a copy of your unique QR code.
Can I exchange my shirt size at Packet Pickup?
Unfortunately, no. Race shirts have already been ordered and we need to honor what everyone ordered. On race day, we'll bring any extra shirts to the race site. Once the race has started, and assuming we have your size, we'll be happy to exchange it for you.
Can race packets me mailed?
Mailing race packets is not an option. If you are unable to pick up your race packet, we suggest having a third party pick it up for you. To do so, they will need to present a copy of your unique QR code.
I am having trouble registering, is there someone I can contact?
For assistance, please contact Active.com support.