18th Annual F^3 Lake Half Marathon & 5k

The 18th Annual F^3 Lake Half Marathon & 5k in Chicago, Illinois, United States on January 30, 2027, is a community-built event that has grown to become a tradition for runners and locals alike. This race starts at Soldier Field's United Club where the air is crisp and the light still holds hints of autumn even as winter sets in, creating an atmosphere of anticipation among participants. The event draws thousands each year, with both half marathon enthusiasts and 5k runners coming together to support a great cause.
Race day unfolds on a course that starts at Soldier Field's United Club before venturing out onto the lakefront. Runners will navigate through terrain that is firm yet slightly soft due to winter conditions, featuring splits every five kilometers as they make their way along the shoreline and back towards the finish line. The route offers runners a unique experience with its layout that alternates between open spaces and areas closer to the water, providing scenic views while also challenging participants physically.
The start/finish area is set up in Soldier Field’s United Club where athletes can warm up before heading out into the cold January air. Elevations remain minimal but do provide some slight variations as runners make their way through the course. Aid stations are strategically placed to ensure that hydration and nutrition needs are met, with special features such as water stops every 2.5 kilometers for both distances. As for weather conditions, expect temperatures around -3°C on average, with a minimum of -6.2°C and maximum of 0.1°C. Runners should prepare accordingly by layering up to stay warm but also ensuring they can maintain their body temperature while running.

Logistics-wise, registration opens at the Race Signup URL: https://runsignup.com/Race/IL/Chicago/F3LakeHalfMarathon5k where participants can secure their spot with a half marathon fee of $57.00 and 5k registration costing $38.00. Early bird deadlines ensure you don’t miss out on the best deals, so mark your calendars! Bib pickup details will be available closer to race day; however, runners are advised to arrive early for convenience.
The start location is at 1410 Special Olympics Drive with age requirements being open to all adult participants. First-timers can expect a smooth experience as volunteers and experienced racers alike offer support throughout the event. After crossing the finish line, celebrate in Weathermark Tavern located at 1503 S Michigan Ave or enjoy free participant photos uploaded on flashframe.io.
The 18th Annual F^3 Lake Half Marathon & 5k marks a significant milestone for runners and community members alike as it continues to build upon its rich history of bringing people together in support of important causes. Don’t miss this opportunity to participate in Chicago’s Original Winter Half Marathon on January 30, 2027!