The echoes of Berlin's scorching battle haven't faded, yet Chicago is already preparing to write its next legendary chapter. On October 12, 2025, this world-record-certified fast course will host a dual-suspense drama: Can the men's elite touch the ultimate "Sub-2:01 Zone"? And who will claim the crown in the women's field, left wide open after the reigning champion's fall from grace?
Men's Elite: The Collective Charge into the "Forbidden Zone"
The focus has shifted beyond mere victory to a more profound question: Can humanity, as a collective, once again approach the marathon's final frontier?
John Korir: The Lone Voyager at the Frontier
The defending champion has unequivocally set his sights on **breaking the 2:01 barrier**. His terrifying resilience in adversity proves his mental and physical readiness for the elite tier. Chicago's flat course is his ideal testing ground, but challenging 2:01 demands a flawless race with zero margin for error.
Jacob Kiplimo: The Second Act of a Phenomenon
As the half-marathon world record holder, Kiplimo's stunning marathon debut gives us every reason to expect something extraordinary. His presence adds a "wild card" element to the already intense record chase—he might not just be a contender, but the ultimate game-changer.
Conner Mantz: The "Record-Breaker" on Home Soil
For American fans, all eyes are on Conner Mantz. His goal is direct and ambitious: toppling the long-standing US national record (2:05:38). As the era of his compatriot Rupp wanes, Mantz represents the new wave of American marathon talent, aiming to shatter this historic barrier before the home crowd.
Women's Elite: A Throne Up for Grabs
The unexpected suspension of the defending champion has dramatically reshuffled the deck, creating a wide-open battlefield where a new queen will be crowned.
Megertu Alemu: The Final Step from Podium to Throne?
Topping the elite list, Alemu knows the Chicago course well, with her 3rd place finish in 2023 being a valuable asset. However, her DNF in London this season casts a shadow over her current form. Can she seize this golden opportunity with the throne empty?
Hawi Feysa: The Heir from the "Champion Factory"
Trained by the renowned Gemedu Dedefo (coach to world record holder Tigst Assefa), Feysa represents the new generation of Ethiopian prowess. Every appearance carries the weight of expectation from the "champion factory." Her technical prowess and tactical discipline make her a formidable contender for the title.
Ejgayehu Taye: The X-Factor from the Unknown
The marathon debut of a stellar track star is always shrouded in mystery. Taye's impressive half-marathon best (1:05:52) hints at immense potential, but whether she can achieve a "win on debut" miracle in Chicago remains one of the most intriguing questions.
Legends, New Blood & The Green of Ireland
Beyond the podium battles, the stories unfolding throughout the pack are equally compelling.
Galen Rupp: A Legend's Farewell Tour
At 39, Rupp's sixth Chicago start feels like a victory lap. His journey from champion to participant embodies a living history of American distance running. Each stride alongside the new generation symbolizes a passing of the torch.
Image of Fionnuala McCormack: Athletics Ireland