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Chicago Marathon Race Tips From Deena Kastor and Susanna Sullivan
1 sources · 1 reports
On October 8, 2026, Outside Run published race-day guidance for the Chicago Marathon, scheduled for Sunday, October 11. Three-time Olympian Deena Kastor and top American runner Susanna Sullivan shared seven tips, including running even splits and treating the first 10K as a warm-up. The report described the course as flat and listed 20 aid stations offering water, lemon-lime Gatorade Endurance, Maurten Gel 100 at miles 12.4 and 18.1, and bananas between miles 20.2 and 23. It also stated that hydration packs and vests are not permitted, and Sullivan warned that downtown skyscrapers can interfere with GPS early in the race. This is the only report in the current coverage, so no conflicting figures, dates, or claims have been reported.
Story reports
Three-time Olympian Deena Kastor and top American Susanna Sullivan shared seven tips for racing the Chicago Marathon on Sunday, Oct. 11, including running even splits and treating the first 10K as a warm-up. The flat course offers 20 aid stations with water, lemon-lime Gatorade Endurance, Maurten Gel 100 at miles 12.4 and 18.1, and bananas between miles 20.2 and 23. Hydration packs and vests are not permitted, and Sullivan warns downtown skyscrapers can interfere with GPS early.
Outside Run