2026 CHICAGO MARATHON PREVIEW

The Chicago Marathon goes Sunday on a course that has produced a world record or an American record every year since 2022. Defending champions Jacob Kiplimo and Hawi Feysa return, and multiple men in the field have openly said they’re chasing Conner Mantz’s American record.

The weather: 59°F with a 54°F dew point at 7 a.m. local, rising to 64°F and a 57°F dew point by 9. Manageable for the elites, warmer than ideal for records. The margin for error shrinks as the race goes on.

The men’s favorite: Kiplimo has a 2:00:28 PB from London — a minute faster than anyone else entered, and faster than Kiptum’s old world record, in a race he finished third. He’s skipped a tune-up this year after opening with a 58:29 half before winning Chicago in 2:02:23 last fall.

The women’s race: Brigid Kosgei returns to the site of her 2:14:04 world record for the first time since 2019, off a resurgent year — wins in Shanghai (2:16:36) and Tokyo (2:14:29), where she beat Feysa.

Plus: We unpack the intense races for top American on the men’s and women’s side.

How to Watch – TV: NBC5 Chicago and Telemundo Chicago; Streaming: NBC Sports NOW, NBC Chicago channel on Peacock

Full preview to come in the CITIUS MAG Newsletter. You can subscribe here.

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