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This list ranks the fastest marathons in Illinois based on the race's Course Score. The Course Score for each marathon is created from an algorithm derived from research on how grade and elevation affect marathon running performance (race time weather is not factored in). For more detailed information, please visit the FAQ.
The BQ % is the percentage of runners who qualified for the Boston Marathon according to the latest race results. Although it is not always indicative of a fast or slow course, the percent of Boston Marathon qualifiers can provide insight into the quality of the field and/or the speed of the course.
To see a ranking of marathons based on the weather factors, in addition to the course characteristics, visit the Fastest Marathons page.
The list only includes certified marathon courses. Keep in mind that Course Scores and ranking assume very good course management and pacing - especially for the extremely downhill races.
|11/4/2017|| CNO Financial Indianapolis Monumental Marathon
Register now for an ideal BQ course - races sell out yearly!
|11/19/2017|| AACR Philadelphia Marathon
Run the AACR Philadelphia Marathon Nov. 19. Register now!
|Race Name||PR Score||BQ %||Elevation|
|1||Chicago MarathonChicago, IL|| ||
|2||Fox Valley MarathonSt. Charles, IL|| ||
|3||Chicagoland Spring MarathonSchaumburg, IL|| ||
|4||Last Chance BQ.2 MarathonGeneva, IL|| ||
|5||Spring Chance BQ.2 MarathonGeneva, IL|| ||
|6||Illinois MarathonChampaign-Urbana, IL|| ||
|7||Rockford MarathonRockford, IL|| ||
|8||Quad Cities MarathonMoline, IL|| ||
|9||Springfield MarathonSpringfield, IL|| ||
|10||Barrel Marathon (formerly Peoria)Peoria, IL|| ||
|11||Shawnee MarathonHarrisburg, IL|| ||