Chicago 10K
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Under Armour Chicago 10K
The Under Armour Chicago 10K is a road race held in Grant Park, Chicago on October 4, 2026. The course starts at Arvey Field (1501 S Lakeshore Drive) and covers 10K (6.2 miles). The event uses the B-Tag Chronotrack timing system and each entry includes a B-Tag timing device with the bib number.
All participants receive an Under Armour race shirt, a finisher medal, and an official bib number. Packet pick-up options include in-person pickup at the Under Armour store (600 N Michigan Avenue) on Saturday, October 3 (12:00 p.m. to 6:00 p.m.), third-party pickup with the entrant QR code, or a paid race day packet pick-up service for an additional fee. Bib numbers are assigned at packet pick-up.
Entries are accepted on a first come, first served basis and multiple pricing tiers are listed for different registration periods. All registrations are nonrefundable. The race takes place rain or shine; race officials may delay, postpone, or cancel the event for safety reasons. If lightning is detected within a 10 mile radius, the race will be postponed in 30 minute increments until conditions clear.
Participants are asked to allow time for parking and gear check; carpooling or public transportation is recommended. The event benefits Special Olympics Chicago | Special Children’s Charities. Volunteer roles cover course marshals, aid stations, gear check, packet pick-up, setup and teardown, and water station support. Visit the organization's website for the most recent information.
