The Chicago Marathon is taking place on October 12, with over 50,000 runners participating.
The event is the sixth World Marathon Major of the 2025 calendar, featuring numerous storylines and athletes competing in nice conditions.
Dan Beck, deputy news editor at Runner’s World, is covering the event, bringing his experience in leading news coverage teams for major running events.
The athletes are enjoying nice conditions on the streets of the Windy City.
Dan Beck is a former collegiate distance runner and has covered track and field and cross-country at MileSplit.
Author’s summary: Results from the 2025 Chicago Marathon.