Course
A flat, fast, USATF-certified and Boston-qualifying road course through the Quad Cities, billed as five races, four cities, three bridges, two states and one island. The route follows the Mississippi River across state lines between Illinois and Iowa, taking in Arsenal Island and long stretches of riverfront.
Key dates
- ★Race daySeptember 2027 · date to be announced
About
The Quad Cities Marathon links Illinois and Iowa across bridges over the Mississippi River, passing through Moline, Rock Island, Davenport, and Bettendorf. Marathon, half marathon, 10K, and 5K distances are all on offer each September.
Save Quad Cities Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Chicago Half Marathon
Along Lake Michigan's flat downtown lakefront
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Plainfield Harvest Run 5k/10k & Kids Miler
28th annual race has donated $400K+ to nonprofits
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Run the River for Respect 5K
Along the Illinois River at Ottawa's Heritage Harbor
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.