Garmin Olathe Marathon
Race Day Weather
Cool temps, variable winds ahead
Runners will face a temperature progression from 50°F at the start to 65°F by the finish, with an average humidity of 64%. Winds will be variable, featuring tailwind from miles 2-11 and headwind from miles 13-19 and 23-25, requiring strategic pacing adjustments. Runners should prepare for crosswinds at various segments, particularly in the later miles, and consider gear that can handle shifting conditions.
Pace Calculator
Join us for a marathon, half marathon, 10k, Munchkin Marathon or Senior Walk through the beautiful streets and trails of Olathe. This year marks the 22nd anniversary of the event (click here to learn more about the history!) The city of Olathe is 20 minutes southwest of downtown Kansas City, located in Johnson County, Kansas. Come experience our Midwest charm in the Land of Oz. Source
FAQ
When is the 2026 Garmin Olathe Marathon?
Is the Garmin Olathe Marathon a Boston Marathon Qualifier?
What is the time limit for the Garmin Olathe Marathon?
What will the weather be like for the 2026 Garmin Olathe Marathon?
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
