Join us for a marathon, half marathon, 10k or family run through the beautiful streets and trails of Olathe. This year marks the 22nd anniversary of the event, which began in 2003 as the Olathe Marathon, and is now hosted by Garmin at their world headquarters. The city of Olathe is just 20 minutes southwest of downtown Kansas City, located in Johnson County, Kansas. Come experience our Midwest charm in the Land of Oz!