Illinois · 8K
Shamrock Shuffle 8K
Shamrock Shuffle 8K is a 8K event held in Chicago, Illinois. Its next confirmed date is Sunday, March 21, 2027. About 26,000 runners take part across all distances.
- Race day
- March 21, 2027
- Location
- Chicago, IL
- Field size
- ~26,000 runners
Race details
- Date
- Sunday, March 21, 2027
- Location
- Chicago, Illinois
- Distances
- 8K
- Field size
- About 26,000 runners
- Course
- Minimal
- Registration
- shamrockshuffle.com
- Official website
- chicagoshuffle.com
Registration, course & weather
- Registration status
- Open
- Start time
- 8:30 AM CDT
- Course profile
- Loop course; Road surface
- Typical race-day weather
- about 41°F at the start, 81% humidity, 12 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026)
About the Shamrock Shuffle 8K
Chicago's traditional kickoff to the running season, sending over 26,000 runners on an 8K loop through the downtown Loop. It is one of the largest 8K road races in the country.
Rankings and notes
- Rankings and awards
- One of the largest 8K races in the United States; USATF-certified; site of the 2026 American women's 8K record (Emma Grace Hurley, 24:29)
- Notes
- Popular spring race
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- Blog All guides Planning advice for finding, choosing and travelling to races.
Shamrock Shuffle 8K: common questions
- When is the Shamrock Shuffle 8K?
- The next confirmed date is Sunday, March 21, 2027.
- Where is the Shamrock Shuffle 8K held?
- In Chicago, Illinois.
- What distances does the Shamrock Shuffle 8K offer?
- 8K.
- How many people run the Shamrock Shuffle 8K?
- About 26,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Shamrock Shuffle 8K?
- Registration is handled by the organiser at shamrockshuffle.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Shamrock Shuffle 8K?
- Yes — registration is open. $51 (from endurancesportswire.com, checked October 2, 2026).
- What time does the Shamrock Shuffle 8K start?
- 8:30 AM CDT.
- What is the course like at the Shamrock Shuffle 8K?
- Loop course; Road surface.
- What is race-day weather usually like at the Shamrock Shuffle 8K?
- about 41°F at the start, 81% humidity, 12 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026).
Plan this race in RaceRove
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